Everest | 1952 S Col-SE Ridge

A Switzerland expedition to Everest in 1952 via S Col-SE Ridge, led by Edouard Wyss-Dunant. Summit reached on 28th May 1952. 19 members recorded.

Expedition Details

Field	Value
ID	2748
Imported	2026-03-06 18:04:49.359634
Expedition ID	EVER52101
Peak ID	EVER
Year	1952
Season	1
Host Country	1
Route 1	S Col-SE Ridge
Route 2	-
Route 3	-
Route 4	-
Nationality	Switzerland
Leaders	Edouard Wyss-Dunant
Sponsor	-
Success 1	False
Success 2	False
Success 3	False
Success 4	False
Ascent 1	-
Ascent 2	-
Ascent 3	-
Ascent 4	-
Claimed	False
Disputed	False
Countries	-
Approach	Khumbu Valley
Basecamp Date	1952-04-20
Summit Date	1952-05-28
Summit Time	-
Summit Days	38
Total Days	47
Termination Date	1952-06-06
Termination Reason	7
Termination Notes	Abandoned at 8600m due to fatigue
High Point (m)	8600
Traverse	False
Ski	False
Paraglide	False
Camps	7
Fixed Rope (m)	0
Total Members	11
Summit Members	0
Member Deaths	0
Total Hired	14
Summit Hired	0
Hired Deaths	0
No Hired	False
O2 Used	True
O2 None	False
O2 Climb	True
O2 Descent	False
O2 Sleep	False
O2 Medical	False
O2 Taken	False
O2 Unknown	False
Other Summits	-
Campsites	BC(20/04,5050m),C1(25/04,5250m),C2(28/04,5600m),C3(06/05,6000m),C4(10/05,6450m),C5(14/05,6900m),Biv(25/05,7880m),C6(26/05,7950m),C7(27/05,8390m),xxx(28/05,8600m)
Route Notes	-
Accidents	-
Achievement	-
Agency	-
Commercial Route	True
Standard Route	True
Primary Route	False
Primary Member	False
Primary Reference	-
Primary ID	-
Checksum	2436203
Year	1952
Summit Success	False
O2 Summary	Used
Route (lowercase)	s col-se ridge

Members

Field	Value
ID	21967
Imported	2026-03-06 18:06:05.675609
Expedition ID	EVER52101
Member ID	01
Peak ID	EVER
Year	1952
Season	1
First Name	Edouard
Last Name	Wyss-Dunant
Sex	M
Age	0
Birth Date	-
Year of Birth	1897
Calculated Age	55
Citizenship	Switzerland
Status	Leader
Residence	-
Occupation	-
Leader	True
Deputy	False
Basecamp Only	True
Not to BC	False
Support	False
Disabled	False
Hired	False
Sherpa	False
Tibetan	False
Summit Success	False
Claimed	False
Disputed	False
Solo	False
Traverse	False
Ski	False
Paraglide	False
Speed	-
High Point (m)	False
Personal High Point (m)	5250
Summit Date 1	-
Summit Date 2	-
Summit Date 3	-
Summit Time 1	-
Summit Time 2	-
Summit Time 3	-
Route 1	0
Route 2	0
Route 3	0
Ascent 1	0
Ascent 2	0
Ascent 3	0
O2 Used	False
O2 None	True
O2 Climb	False
O2 Descent	False
O2 Sleep	False
O2 Medical	False
O2 Notes	-
Death	False
Death Date	-
Death Time	-
Death Type	0
Death Height (m)	0
Death Class	0
AMS	False
Weather	False
Injury	False
Injury Date	-
Injury Time	-
Injury Type	0
Injury Height (m)	0
Death Notes	-
Member Notes	-
Necrology	(1897-1983) Died 30 April 1983
Summit Bid	1
Summit Term	17
HCN	0
Checksum	2412106
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	edouard wyss-dunant
Year of Birth	1897
Year	1952
Age at Expedition	55
Role	Leader

Field	Value
ID	26025
Imported	2026-03-06 18:06:05.675609
Expedition ID	EVER52101
Member ID	03
Peak ID	EVER
Year	1952
Season	1
First Name	Rene Max William
Last Name	Aubert
Sex	M
Age	0
Birth Date	-
Year of Birth	1908
Calculated Age	43
Citizenship	Switzerland
Status	Climber
Residence	-
Occupation	-
Leader	False
Deputy	False
Basecamp Only	False
Not to BC	False
Support	False
Disabled	False
Hired	False
Sherpa	False
Tibetan	False
Summit Success	False
Claimed	False
Disputed	False
Solo	False
Traverse	False
Ski	False
Paraglide	False
Speed	-
High Point (m)	False
Personal High Point (m)	8390
Summit Date 1	1952-05-27
Summit Date 2	-
Summit Date 3	-
Summit Time 1	-
Summit Time 2	-
Summit Time 3	-
Route 1	1
Route 2	0
Route 3	0
Ascent 1	0
Ascent 2	0
Ascent 3	0
O2 Used	False
O2 None	True
O2 Climb	False
O2 Descent	False
O2 Sleep	False
O2 Medical	False
O2 Notes	-
Death	False
Death Date	-
Death Time	-
Death Type	0
Death Height (m)	0
Death Class	0
AMS	False
Weather	False
Injury	False
Injury Date	-
Injury Time	-
Injury Type	0
Injury Height (m)	0
Death Notes	-
Member Notes	-
Necrology	(1908-1981) Died 15 Sept 1981
Summit Bid	3
Summit Term	14
HCN	0
Checksum	-1937
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	rene max william aubert
Year of Birth	1908
Year	1952
Age at Expedition	44
Role	Member

Field	Value
ID	26026
Imported	2026-03-06 18:06:05.675609
Expedition ID	EVER52101
Member ID	04
Peak ID	EVER
Year	1952
Season	1
First Name	Gabriel
Last Name	Chevalley
Sex	M
Age	0
Birth Date	-
Year of Birth	1918
Calculated Age	33
Citizenship	Switzerland
Status	Exp Doctor
Residence	-
Occupation	Physician
Leader	False
Deputy	False
Basecamp Only	False
Not to BC	False
Support	False
Disabled	False
Hired	False
Sherpa	False
Tibetan	False
Summit Success	False
Claimed	False
Disputed	False
Solo	False
Traverse	False
Ski	False
Paraglide	False
Speed	-
High Point (m)	False
Personal High Point (m)	7950
Summit Date 1	1952-05-29
Summit Date 2	-
Summit Date 3	-
Summit Time 1	-
Summit Time 2	-
Summit Time 3	-
Route 1	1
Route 2	0
Route 3	0
Ascent 1	0
Ascent 2	0
Ascent 3	0
O2 Used	False
O2 None	True
O2 Climb	False
O2 Descent	False
O2 Sleep	False
O2 Medical	False
O2 Notes	-
Death	False
Death Date	-
Death Time	-
Death Type	0
Death Height (m)	0
Death Class	0
AMS	False
Weather	False
Injury	False
Injury Date	-
Injury Time	-
Injury Type	0
Injury Height (m)	0
Death Notes	-
Member Notes	-
Necrology	(1918-1990)
Summit Bid	2
Summit Term	7
HCN	0
Checksum	-1947
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	gabriel chevalley
Year of Birth	1918
Year	1952
Age at Expedition	34
Role	Member

Field	Value
ID	26027
Imported	2026-03-06 18:06:05.675609
Expedition ID	EVER52101
Member ID	05
Peak ID	EVER
Year	1952
Season	1
First Name	Rene
Last Name	Dittert
Sex	M
Age	0
Birth Date	-
Year of Birth	1911
Calculated Age	41
Citizenship	Switzerland
Status	Climber
Residence	-
Occupation	-
Leader	False
Deputy	False
Basecamp Only	False
Not to BC	False
Support	False
Disabled	False
Hired	False
Sherpa	False
Tibetan	False
Summit Success	False
Claimed	False
Disputed	False
Solo	False
Traverse	False
Ski	False
Paraglide	False
Speed	-
High Point (m)	False
Personal High Point (m)	7950
Summit Date 1	1952-05-29
Summit Date 2	-
Summit Date 3	-
Summit Time 1	-
Summit Time 2	-
Summit Time 3	-
Route 1	1
Route 2	0
Route 3	0
Ascent 1	0
Ascent 2	0
Ascent 3	0
O2 Used	False
O2 None	True
O2 Climb	False
O2 Descent	False
O2 Sleep	False
O2 Medical	False
O2 Notes	-
Death	False
Death Date	-
Death Time	-
Death Type	0
Death Height (m)	0
Death Class	0
AMS	False
Weather	False
Injury	False
Injury Date	-
Injury Time	-
Injury Type	0
Injury Height (m)	0
Death Notes	-
Member Notes	-
Necrology	(1911-1983) Died 25 May 1983
Summit Bid	2
Summit Term	7
HCN	0
Checksum	2417195
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	rene dittert
Year of Birth	1911
Year	1952
Age at Expedition	41
Role	Member

Field	Value
ID	26028
Imported	2026-03-06 18:06:05.675609
Expedition ID	EVER52101
Member ID	06
Peak ID	EVER
Year	1952
Season	1
First Name	Leon
Last Name	Flory
Sex	M
Age	0
Birth Date	-
Year of Birth	1910
Calculated Age	41
Citizenship	Switzerland
Status	Climber
Residence	-
Occupation	-
Leader	False
Deputy	False
Basecamp Only	False
Not to BC	False
Support	False
Disabled	False
Hired	False
Sherpa	False
Tibetan	False
Summit Success	False
Claimed	False
Disputed	False
Solo	False
Traverse	False
Ski	False
Paraglide	False
Speed	-
High Point (m)	False
Personal High Point (m)	8390
Summit Date 1	1952-05-27
Summit Date 2	-
Summit Date 3	-
Summit Time 1	-
Summit Time 2	-
Summit Time 3	-
Route 1	1
Route 2	0
Route 3	0
Ascent 1	0
Ascent 2	0
Ascent 3	0
O2 Used	False
O2 None	True
O2 Climb	False
O2 Descent	False
O2 Sleep	False
O2 Medical	False
O2 Notes	-
Death	False
Death Date	-
Death Time	-
Death Type	0
Death Height (m)	0
Death Class	0
AMS	False
Weather	False
Injury	False
Injury Date	-
Injury Time	-
Injury Type	0
Injury Height (m)	0
Death Notes	-
Member Notes	-
Necrology	(1910-2000)
Summit Bid	3
Summit Term	14
HCN	0
Checksum	-1939
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	leon flory
Year of Birth	1910
Year	1952
Age at Expedition	42
Role	Member

Field	Value
ID	26029
Imported	2026-03-06 18:06:05.675609
Expedition ID	EVER52101
Member ID	02
Peak ID	EVER
Year	1952
Season	1
First Name	Jean-Jacques
Last Name	Asper
Sex	M
Age	0
Birth Date	-
Year of Birth	1926
Calculated Age	25
Citizenship	Switzerland
Status	Climber
Residence	-
Occupation	-
Leader	False
Deputy	False
Basecamp Only	False
Not to BC	False
Support	False
Disabled	False
Hired	False
Sherpa	False
Tibetan	False
Summit Success	False
Claimed	False
Disputed	False
Solo	False
Traverse	False
Ski	False
Paraglide	False
Speed	-
High Point (m)	False
Personal High Point (m)	7950
Summit Date 1	1952-05-29
Summit Date 2	-
Summit Date 3	-
Summit Time 1	-
Summit Time 2	-
Summit Time 3	-
Route 1	1
Route 2	0
Route 3	0
Ascent 1	0
Ascent 2	0
Ascent 3	0
O2 Used	False
O2 None	True
O2 Climb	False
O2 Descent	False
O2 Sleep	False
O2 Medical	False
O2 Notes	-
Death	False
Death Date	-
Death Time	-
Death Type	0
Death Height (m)	0
Death Class	0
AMS	False
Weather	False
Injury	False
Injury Date	-
Injury Time	-
Injury Type	0
Injury Height (m)	0
Death Notes	-
Member Notes	-
Necrology	-
Summit Bid	2
Summit Term	7
HCN	0
Checksum	2422811
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	jean-jacques asper
Year of Birth	1926
Year	1952
Age at Expedition	26
Role	Member

Field	Value
ID	26030
Imported	2026-03-06 18:06:05.675609
Expedition ID	EVER52101
Member ID	07
Peak ID	EVER
Year	1952
Season	1
First Name	Ernest
Last Name	Hofstetter
Sex	M
Age	0
Birth Date	-
Year of Birth	1911
Calculated Age	40
Citizenship	Switzerland
Status	Climber
Residence	-
Occupation	-
Leader	False
Deputy	False
Basecamp Only	False
Not to BC	False
Support	False
Disabled	False
Hired	False
Sherpa	False
Tibetan	False
Summit Success	False
Claimed	False
Disputed	False
Solo	False
Traverse	False
Ski	False
Paraglide	False
Speed	-
High Point (m)	False
Personal High Point (m)	7950
Summit Date 1	1952-05-29
Summit Date 2	-
Summit Date 3	-
Summit Time 1	-
Summit Time 2	-
Summit Time 3	-
Route 1	1
Route 2	0
Route 3	0
Ascent 1	0
Ascent 2	0
Ascent 3	0
O2 Used	False
O2 None	True
O2 Climb	False
O2 Descent	False
O2 Sleep	False
O2 Medical	False
O2 Notes	-
Death	False
Death Date	-
Death Time	-
Death Type	0
Death Height (m)	0
Death Class	0
AMS	False
Weather	False
Injury	False
Injury Date	-
Injury Time	-
Injury Type	0
Injury Height (m)	0
Death Notes	-
Member Notes	-
Necrology	(1911-2007) Died 1 Jun 2007 in Geneva
Summit Bid	2
Summit Term	7
HCN	0
Checksum	2417323
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	ernest hofstetter
Year of Birth	1911
Year	1952
Age at Expedition	41
Role	Member

Field	Value
ID	26031
Imported	2026-03-06 18:06:05.675609
Expedition ID	EVER52101
Member ID	08
Peak ID	EVER
Year	1952
Season	1
First Name	Raymond
Last Name	Lambert
Sex	M
Age	0
Birth Date	-
Year of Birth	1914
Calculated Age	37
Citizenship	Switzerland
Status	Climber
Residence	Geneva, Switzerland
Occupation	Alpine guide
Leader	False
Deputy	False
Basecamp Only	False
Not to BC	False
Support	False
Disabled	False
Hired	False
Sherpa	False
Tibetan	False
Summit Success	False
Claimed	False
Disputed	False
Solo	False
Traverse	False
Ski	False
Paraglide	False
Speed	-
High Point (m)	True
Personal High Point (m)	8600
Summit Date 1	1952-05-28
Summit Date 2	-
Summit Date 3	-
Summit Time 1	-
Summit Time 2	-
Summit Time 3	-
Route 1	1
Route 2	0
Route 3	0
Ascent 1	0
Ascent 2	0
Ascent 3	0
O2 Used	True
O2 None	False
O2 Climb	True
O2 Descent	False
O2 Sleep	False
O2 Medical	False
O2 Notes	-
Death	False
Death Date	-
Death Time	-
Death Type	0
Death Height (m)	0
Death Class	0
AMS	False
Weather	False
Injury	False
Injury Date	-
Injury Time	-
Injury Type	0
Injury Height (m)	0
Death Notes	-
Member Notes	-
Necrology	(1914-1997) Died 25 February 1997
Summit Bid	4
Summit Term	7
HCN	0
Checksum	2418481
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	raymond lambert
Year of Birth	1914
Year	1952
Age at Expedition	38
Role	Member

Field	Value
ID	26032
Imported	2026-03-06 18:06:05.675609
Expedition ID	EVER52101
Member ID	09
Peak ID	EVER
Year	1952
Season	1
First Name	Augustin
Last Name	Lombard
Sex	M
Age	0
Birth Date	-
Year of Birth	1905
Calculated Age	47
Citizenship	Switzerland
Status	Climber
Residence	-
Occupation	Geologist
Leader	False
Deputy	False
Basecamp Only	True
Not to BC	False
Support	False
Disabled	False
Hired	False
Sherpa	False
Tibetan	False
Summit Success	False
Claimed	False
Disputed	False
Solo	False
Traverse	False
Ski	False
Paraglide	False
Speed	-
High Point (m)	False
Personal High Point (m)	0
Summit Date 1	-
Summit Date 2	-
Summit Date 3	-
Summit Time 1	-
Summit Time 2	-
Summit Time 3	-
Route 1	0
Route 2	0
Route 3	0
Ascent 1	0
Ascent 2	0
Ascent 3	0
O2 Used	False
O2 None	True
O2 Climb	False
O2 Descent	False
O2 Sleep	False
O2 Medical	False
O2 Notes	-
Death	False
Death Date	-
Death Time	-
Death Type	0
Death Height (m)	0
Death Class	0
AMS	False
Weather	False
Injury	False
Injury Date	-
Injury Time	-
Injury Type	0
Injury Height (m)	0
Death Notes	-
Member Notes	-
Necrology	(1905-1987) Died 28 October 1987
Summit Bid	1
Summit Term	17
HCN	0
Checksum	2414995
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	augustin lombard
Year of Birth	1905
Year	1952
Age at Expedition	47
Role	BC Only

Field	Value
ID	26033
Imported	2026-03-06 18:06:05.675609
Expedition ID	EVER52101
Member ID	10
Peak ID	EVER
Year	1952
Season	1
First Name	Andre
Last Name	Roch
Sex	M
Age	0
Birth Date	-
Year of Birth	1906
Calculated Age	45
Citizenship	Switzerland
Status	Climber
Residence	Davos, Graubunden, Switzerland
Occupation	-
Leader	False
Deputy	False
Basecamp Only	False
Not to BC	False
Support	False
Disabled	False
Hired	False
Sherpa	False
Tibetan	False
Summit Success	False
Claimed	False
Disputed	False
Solo	False
Traverse	False
Ski	False
Paraglide	False
Speed	-
High Point (m)	False
Personal High Point (m)	7950
Summit Date 1	1952-05-29
Summit Date 2	-
Summit Date 3	-
Summit Time 1	-
Summit Time 2	-
Summit Time 3	-
Route 1	1
Route 2	0
Route 3	0
Ascent 1	0
Ascent 2	0
Ascent 3	0
O2 Used	False
O2 None	True
O2 Climb	False
O2 Descent	False
O2 Sleep	False
O2 Medical	False
O2 Notes	-
Death	False
Death Date	-
Death Time	-
Death Type	0
Death Height (m)	0
Death Class	0
AMS	False
Weather	False
Injury	False
Injury Date	-
Injury Time	-
Injury Type	0
Injury Height (m)	0
Death Notes	-
Member Notes	-
Necrology	(1906-2002) Died 19 November 2002 in Geneva
Summit Bid	2
Summit Term	7
HCN	0
Checksum	2415509
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	andre roch
Year of Birth	1906
Year	1952
Age at Expedition	46
Role	Member

Field	Value
ID	26034
Imported	2026-03-06 18:06:05.675609
Expedition ID	EVER52101
Member ID	11
Peak ID	EVER
Year	1952
Season	1
First Name	Albert (Zim)
Last Name	Zimmermann
Sex	M
Age	0
Birth Date	-
Year of Birth	1907
Calculated Age	45
Citizenship	Switzerland
Status	Climber
Residence	Geneva, Switzerland
Occupation	Botanist
Leader	False
Deputy	False
Basecamp Only	False
Not to BC	False
Support	False
Disabled	False
Hired	False
Sherpa	False
Tibetan	False
Summit Success	False
Claimed	False
Disputed	False
Solo	False
Traverse	False
Ski	False
Paraglide	False
Speed	-
High Point (m)	False
Personal High Point (m)	6900
Summit Date 1	-
Summit Date 2	-
Summit Date 3	-
Summit Time 1	-
Summit Time 2	-
Summit Time 3	-
Route 1	0
Route 2	0
Route 3	0
Ascent 1	0
Ascent 2	0
Ascent 3	0
O2 Used	False
O2 None	True
O2 Climb	False
O2 Descent	False
O2 Sleep	False
O2 Medical	False
O2 Notes	-
Death	False
Death Date	-
Death Time	-
Death Type	0
Death Height (m)	0
Death Class	0
AMS	False
Weather	False
Injury	False
Injury Date	-
Injury Time	-
Injury Type	0
Injury Height (m)	0
Death Notes	-
Member Notes	-
Necrology	(1907-1982) Died 1 Feb 1982
Summit Bid	1
Summit Term	17
HCN	0
Checksum	-1936
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	albert (zim) zimmermann
Year of Birth	1907
Year	1952
Age at Expedition	45
Role	Member

Field	Value
ID	26041
Imported	2026-03-06 18:06:05.675609
Expedition ID	EVER52101
Member ID	12
Peak ID	EVER
Year	1952
Season	1
First Name	Tenzing Norgay
Last Name	-
Sex	M
Age	0
Birth Date	-
Year of Birth	1914
Calculated Age	37
Citizenship	India
Status	Sirdar
Residence	Darjeeling, India
Occupation	-
Leader	False
Deputy	False
Basecamp Only	False
Not to BC	False
Support	False
Disabled	False
Hired	True
Sherpa	False
Tibetan	True
Summit Success	False
Claimed	False
Disputed	False
Solo	False
Traverse	False
Ski	False
Paraglide	False
Speed	-
High Point (m)	True
Personal High Point (m)	8600
Summit Date 1	1952-05-28
Summit Date 2	-
Summit Date 3	-
Summit Time 1	-
Summit Time 2	-
Summit Time 3	-
Route 1	1
Route 2	0
Route 3	0
Ascent 1	0
Ascent 2	0
Ascent 3	0
O2 Used	True
O2 None	False
O2 Climb	True
O2 Descent	False
O2 Sleep	False
O2 Medical	False
O2 Notes	-
Death	False
Death Date	-
Death Time	-
Death Type	0
Death Height (m)	0
Death Class	0
AMS	False
Weather	False
Injury	False
Injury Date	-
Injury Time	-
Injury Type	0
Injury Height (m)	0
Death Notes	-
Member Notes	HC #48
Necrology	(1914-1986) Died 9 May 1986 in Darjeeling
Summit Bid	4
Summit Term	7
HCN	48
Checksum	2418339
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	tenzing norgay
Year of Birth	1914
Year	1952
Age at Expedition	38
Role	Hired

Field	Value
ID	51365
Imported	2026-03-06 18:06:05.675609
Expedition ID	EVER52101
Member ID	14
Peak ID	EVER
Year	1952
Season	1
First Name	Ang Norbu
Last Name	Sherpa
Sex	M
Age	0
Birth Date	-
Year of Birth	-
Calculated Age	0
Citizenship	Nepal
Status	H-A Worker
Residence	-
Occupation	-
Leader	False
Deputy	False
Basecamp Only	False
Not to BC	False
Support	False
Disabled	False
Hired	True
Sherpa	True
Tibetan	False
Summit Success	False
Claimed	False
Disputed	False
Solo	False
Traverse	False
Ski	False
Paraglide	False
Speed	False
High Point (m)	False
Personal High Point (m)	7950
Summit Date 1	1952-05-29
Summit Date 2	-
Summit Date 3	-
Summit Time 1	-
Summit Time 2	-
Summit Time 3	-
Route 1	1
Route 2	0
Route 3	0
Ascent 1	0
Ascent 2	0
Ascent 3	0
O2 Used	False
O2 None	True
O2 Climb	False
O2 Descent	False
O2 Sleep	False
O2 Medical	False
O2 Notes	-
Death	False
Death Date	-
Death Time	-
Death Type	0
Death Height (m)	0
Death Class	0
AMS	False
Weather	False
Injury	False
Injury Date	-
Injury Time	-
Injury Type	0
Injury Height (m)	0
Death Notes	-
Member Notes	-
Necrology	-
Summit Bid	1
Summit Term	15
HCN	0
Checksum	-29
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	ang norbu sherpa
Year of Birth	-
Year	1952
Age at Expedition	-
Role	Hired

Field	Value
ID	51362
Imported	2026-03-06 18:06:05.675609
Expedition ID	EVER52101
Member ID	13
Peak ID	EVER
Year	1952
Season	1
First Name	Ajiba (Ajeeba)
Last Name	Sherpa
Sex	M
Age	0
Birth Date	-
Year of Birth	1911
Calculated Age	40
Citizenship	Nepal
Status	H-A Worker
Residence	Thami, Khumbu
Occupation	-
Leader	False
Deputy	False
Basecamp Only	False
Not to BC	False
Support	False
Disabled	False
Hired	True
Sherpa	True
Tibetan	False
Summit Success	False
Claimed	False
Disputed	False
Solo	False
Traverse	False
Ski	False
Paraglide	False
Speed	False
High Point (m)	False
Personal High Point (m)	7450
Summit Date 1	1952-05-31
Summit Date 2	-
Summit Date 3	-
Summit Time 1	-
Summit Time 2	-
Summit Time 3	-
Route 1	1
Route 2	0
Route 3	0
Ascent 1	0
Ascent 2	0
Ascent 3	0
O2 Used	False
O2 None	True
O2 Climb	False
O2 Descent	False
O2 Sleep	False
O2 Medical	False
O2 Notes	-
Death	False
Death Date	-
Death Time	-
Death Type	0
Death Height (m)	0
Death Class	0
AMS	False
Weather	False
Injury	False
Injury Date	-
Injury Time	-
Injury Type	0
Injury Height (m)	0
Death Notes	-
Member Notes	HC #10
Necrology	(1911-1973) Obit HJ 33:225-226
Summit Bid	1
Summit Term	14
HCN	10
Checksum	-1940
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	ajiba (ajeeba) sherpa
Year of Birth	1911
Year	1952
Age at Expedition	41
Role	Hired

Field	Value
ID	51363
Imported	2026-03-06 18:06:05.675609
Expedition ID	EVER52101
Member ID	16
Peak ID	EVER
Year	1952
Season	1
First Name	Dawa Thondup (Da Thondup)
Last Name	Sherpa
Sex	M
Age	0
Birth Date	-
Year of Birth	1907
Calculated Age	44
Citizenship	Nepal
Status	Sirdar
Residence	-
Occupation	-
Leader	False
Deputy	False
Basecamp Only	False
Not to BC	False
Support	False
Disabled	False
Hired	True
Sherpa	True
Tibetan	False
Summit Success	False
Claimed	False
Disputed	False
Solo	False
Traverse	False
Ski	False
Paraglide	False
Speed	False
High Point (m)	False
Personal High Point (m)	7450
Summit Date 1	1952-05-31
Summit Date 2	-
Summit Date 3	-
Summit Time 1	-
Summit Time 2	-
Summit Time 3	-
Route 1	1
Route 2	0
Route 3	0
Ascent 1	0
Ascent 2	0
Ascent 3	0
O2 Used	False
O2 None	True
O2 Climb	False
O2 Descent	False
O2 Sleep	False
O2 Medical	False
O2 Notes	-
Death	False
Death Date	-
Death Time	-
Death Type	0
Death Height (m)	0
Death Class	0
AMS	False
Weather	False
Injury	False
Injury Date	-
Injury Time	-
Injury Type	0
Injury Height (m)	0
Death Notes	-
Member Notes	HC #49
Necrology	-
Summit Bid	1
Summit Term	14
HCN	49
Checksum	-1936
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	dawa thondup (da thondup) sherpa
Year of Birth	1907
Year	1952
Age at Expedition	45
Role	Hired

Field	Value
ID	51364
Imported	2026-03-06 18:06:05.675609
Expedition ID	EVER52101
Member ID	15
Peak ID	EVER
Year	1952
Season	1
First Name	Da Namgyal
Last Name	Sherpa
Sex	M
Age	0
Birth Date	-
Year of Birth	1925
Calculated Age	26
Citizenship	Nepal
Status	H-A Worker
Residence	Darjeeling, India (from Solukhumbu)
Occupation	-
Leader	False
Deputy	False
Basecamp Only	False
Not to BC	False
Support	False
Disabled	False
Hired	True
Sherpa	True
Tibetan	False
Summit Success	False
Claimed	False
Disputed	False
Solo	False
Traverse	False
Ski	False
Paraglide	False
Speed	False
High Point (m)	False
Personal High Point (m)	7880
Summit Date 1	1952-05-25
Summit Date 2	-
Summit Date 3	-
Summit Time 1	-
Summit Time 2	-
Summit Time 3	-
Route 1	1
Route 2	0
Route 3	0
Ascent 1	0
Ascent 2	0
Ascent 3	0
O2 Used	False
O2 None	True
O2 Climb	False
O2 Descent	False
O2 Sleep	False
O2 Medical	False
O2 Notes	-
Death	False
Death Date	-
Death Time	-
Death Type	0
Death Height (m)	0
Death Class	0
AMS	False
Weather	False
Injury	False
Injury Date	-
Injury Time	-
Injury Type	0
Injury Height (m)	0
Death Notes	-
Member Notes	HC #157
Necrology	-
Summit Bid	1
Summit Term	15
HCN	157
Checksum	-1954
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	da namgyal sherpa
Year of Birth	1925
Year	1952
Age at Expedition	27
Role	Hired

Field	Value
ID	51366
Imported	2026-03-06 18:06:05.675609
Expedition ID	EVER52101
Member ID	18
Peak ID	EVER
Year	1952
Season	1
First Name	Pasang Phutar
Last Name	Sherpa
Sex	M
Age	0
Birth Date	-
Year of Birth	1910
Calculated Age	41
Citizenship	Nepal
Status	Naik
Residence	Namche Bazar, Khumbu
Occupation	-
Leader	False
Deputy	False
Basecamp Only	False
Not to BC	False
Support	False
Disabled	False
Hired	True
Sherpa	True
Tibetan	False
Summit Success	False
Claimed	False
Disputed	False
Solo	False
Traverse	False
Ski	False
Paraglide	False
Speed	False
High Point (m)	False
Personal High Point (m)	7880
Summit Date 1	1952-05-25
Summit Date 2	-
Summit Date 3	-
Summit Time 1	-
Summit Time 2	-
Summit Time 3	-
Route 1	1
Route 2	0
Route 3	0
Ascent 1	0
Ascent 2	0
Ascent 3	0
O2 Used	False
O2 None	True
O2 Climb	False
O2 Descent	False
O2 Sleep	False
O2 Medical	False
O2 Notes	-
Death	False
Death Date	-
Death Time	-
Death Type	0
Death Height (m)	0
Death Class	0
AMS	False
Weather	False
Injury	False
Injury Date	-
Injury Time	-
Injury Type	0
Injury Height (m)	0
Death Notes	-
Member Notes	HC #79; aka Pasang Phutar I
Necrology	(1910-2001) Died 14 November 2001
Summit Bid	1
Summit Term	15
HCN	79
Checksum	-1939
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	pasang phutar sherpa
Year of Birth	1910
Year	1952
Age at Expedition	42
Role	Hired

Field	Value
ID	51367
Imported	2026-03-06 18:06:05.675609
Expedition ID	EVER52101
Member ID	19
Peak ID	EVER
Year	1952
Season	1
First Name	Phu Tharkey
Last Name	Sherpa
Sex	M
Age	0
Birth Date	-
Year of Birth	1922
Calculated Age	29
Citizenship	Nepal
Status	H-A Worker
Residence	-
Occupation	-
Leader	False
Deputy	False
Basecamp Only	False
Not to BC	False
Support	False
Disabled	False
Hired	True
Sherpa	True
Tibetan	False
Summit Success	False
Claimed	False
Disputed	False
Solo	False
Traverse	False
Ski	False
Paraglide	False
Speed	False
High Point (m)	False
Personal High Point (m)	7880
Summit Date 1	1952-05-25
Summit Date 2	-
Summit Date 3	-
Summit Time 1	-
Summit Time 2	-
Summit Time 3	-
Route 1	1
Route 2	0
Route 3	0
Ascent 1	0
Ascent 2	0
Ascent 3	0
O2 Used	False
O2 None	True
O2 Climb	False
O2 Descent	False
O2 Sleep	False
O2 Medical	False
O2 Notes	-
Death	False
Death Date	-
Death Time	-
Death Type	0
Death Height (m)	0
Death Class	0
AMS	False
Weather	False
Injury	False
Injury Date	-
Injury Time	-
Injury Type	0
Injury Height (m)	0
Death Notes	-
Member Notes	HC #155
Necrology	-
Summit Bid	1
Summit Term	15
HCN	155
Checksum	-1951
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	phu tharkey sherpa
Year of Birth	1922
Year	1952
Age at Expedition	30
Role	Hired

Field	Value
ID	51368
Imported	2026-03-06 18:06:05.675609
Expedition ID	EVER52101
Member ID	17
Peak ID	EVER
Year	1952
Season	1
First Name	Mingma Dorje
Last Name	Sherpa
Sex	M
Age	0
Birth Date	-
Year of Birth	-
Calculated Age	0
Citizenship	Nepal
Status	H-A Worker
Residence	-
Occupation	-
Leader	False
Deputy	False
Basecamp Only	False
Not to BC	False
Support	False
Disabled	False
Hired	True
Sherpa	True
Tibetan	False
Summit Success	False
Claimed	False
Disputed	False
Solo	False
Traverse	False
Ski	False
Paraglide	False
Speed	False
High Point (m)	False
Personal High Point (m)	7950
Summit Date 1	1952-05-29
Summit Date 2	-
Summit Date 3	-
Summit Time 1	-
Summit Time 2	-
Summit Time 3	-
Route 1	1
Route 2	0
Route 3	0
Ascent 1	0
Ascent 2	0
Ascent 3	0
O2 Used	False
O2 None	True
O2 Climb	False
O2 Descent	False
O2 Sleep	False
O2 Medical	False
O2 Notes	-
Death	False
Death Date	-
Death Time	-
Death Type	0
Death Height (m)	0
Death Class	0
AMS	False
Weather	False
Injury	False
Injury Date	-
Injury Time	-
Injury Type	0
Injury Height (m)	0
Death Notes	-
Member Notes	-
Necrology	(....-1952) Died 31 Oct 1952 on Everest from falling ice
Summit Bid	1
Summit Term	15
HCN	0
Checksum	-29
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	mingma dorje sherpa
Year of Birth	-
Year	1952
Age at Expedition	-
Role	Hired

19 recorded members.

Name	Sex	Year of Birth	Citizenship	Status	Residence	Occupation
Edouard Wyss-Dunant	M	1897	Switzerland	Leader	-	-	Details Other expeditions
Rene Max William Aubert	M	1908	Switzerland	Climber	-	-	Details Other expeditions
Gabriel Chevalley	M	1918	Switzerland	Exp Doctor	-	Physician	Details Other expeditions
Rene Dittert	M	1911	Switzerland	Climber	-	-	Details Other expeditions
Leon Flory	M	1910	Switzerland	Climber	-	-	Details Other expeditions
Jean-Jacques Asper	M	1926	Switzerland	Climber	-	-	Details Other expeditions
Ernest Hofstetter	M	1911	Switzerland	Climber	-	-	Details Other expeditions
Raymond Lambert	M	1914	Switzerland	Climber	Geneva, Switzerland	Alpine guide	Details Other expeditions
Augustin Lombard	M	1905	Switzerland	Climber	-	Geologist	Details Other expeditions
Andre Roch	M	1906	Switzerland	Climber	Davos, Graubunden, Switzerland	-	Details Other expeditions
Albert (Zim) Zimmermann	M	1907	Switzerland	Climber	Geneva, Switzerland	Botanist	Details Other expeditions
Tenzing Norgay	M	1914	India	Sirdar	Darjeeling, India	-	Details Other expeditions
Ang Norbu Sherpa	M	-	Nepal	H-A Worker	-	-	Details Other expeditions
Ajiba (Ajeeba) Sherpa	M	1911	Nepal	H-A Worker	Thami, Khumbu	-	Details Other expeditions
Dawa Thondup (Da Thondup) Sherpa	M	1907	Nepal	Sirdar	-	-	Details Other expeditions
Da Namgyal Sherpa	M	1925	Nepal	H-A Worker	Darjeeling, India (from Solukhumbu)	-	Details Other expeditions
Pasang Phutar Sherpa	M	1910	Nepal	Naik	Namche Bazar, Khumbu	-	Details Other expeditions
Phu Tharkey Sherpa	M	1922	Nepal	H-A Worker	-	-	Details Other expeditions
Mingma Dorje Sherpa	M	-	Nepal	H-A Worker	-	-	Details Other expeditions

References

Field	Value
ID	833
Imported	2026-03-06 18:06:36.307770
Expedition ID	EVER52101
Reference ID	01
Year	1952
Type	1
Journal	-
Author	Dittert, Rene & Chevalley, Gabriel
Title	Forerunners to Everest
Publisher	Harper & Bros, New York
Publication Date	1954
Language	-
Citation	-
Yak 94	C178
Notes	English edition of "Avant-Premieres a l'Everest" by Gabriel Chevalley, Rene Dittert and Raymond Lambert

Field	Value
ID	834
Imported	2026-03-06 18:06:36.307770
Expedition ID	EVER52101
Reference ID	02
Year	1952
Type	1
Journal	-
Author	Roch, Andre
Title	Everest 1952
Publisher	Editions Jeheber, Geneva
Publication Date	1952
Language	-
Citation	-
Yak 94	R276
Notes	-

Field	Value
ID	835
Imported	2026-03-06 18:06:36.307770
Expedition ID	EVER52101
Reference ID	03
Year	1952
Type	1
Journal	-
Author	Swiss Foundation for Alpine Research
Title	Everest
Publisher	Hodder & Stoughton, London
Publication Date	1953
Language	-
Citation	-
Yak 94	S242
Notes	English edition of "Everest: Ein Bilderbericht"

Field	Value
ID	999
Imported	2026-03-06 18:06:36.307770
Expedition ID	EVER52101
Reference ID	04
Year	1952
Type	2
Journal	AJ
Author	Roch, Andre
Title	The Swiss Everest Expedition, Spring 1952
Publisher	-
Publication Date	1953
Language	-
Citation	59:1-8 (May 1953)
Yak 94	-
Notes	-

Field	Value
ID	1005
Imported	2026-03-06 18:06:36.307770
Expedition ID	EVER52101
Reference ID	05
Year	1952
Type	2
Journal	AAJ
Author	-
Title	-
Publisher	-
Publication Date	1953
Language	-
Citation	27:579-581 (1953)
Yak 94	-
Notes	-

Field	Value
ID	1210
Imported	2026-03-06 18:06:36.307770
Expedition ID	EVER52101
Reference ID	06
Year	1952
Type	2
Journal	MW
Author	Fuez, Ernst, et al
Title	Mount Everest, 1952
Publisher	-
Publication Date	1953
Language	-
Citation	39-136 (1953)
Yak 94	-
Notes	-

Field	Value
ID	6502
Imported	2026-03-06 18:06:36.307770
Expedition ID	EVER52101
Reference ID	07
Year	1952
Type	1
Journal	-
Author	Oelz, Oswald
Title	Everest-Lhotse
Publisher	AS Verlag, Zurich
Publication Date	2006
Language	German
Citation	-
Yak 94	-
Notes	-

Field	Value
ID	13360
Imported	2026-03-06 18:06:36.307770
Expedition ID	EVER52101
Reference ID	08
Year	1952
Type	5
Journal	-
Author	-
Title	http://publications.americanalpineclub.org/articles/12195357900/Asia-Nepal-Mount-Everest
Publisher	-
Publication Date	-
Language	-
Citation	-
Yak 94	-
Notes	-

Field	Value
ID	13970
Imported	2026-03-06 18:06:36.307770
Expedition ID	EVER52101
Reference ID	09
Year	1952
Type	5
Journal	-
Author	-
Title	https://www.alpinejournal.org.uk/Contents/Contents_1953_files/AJ59%201953%201-%208%20Roch%20Frontispiece%20&%20Swiss%20Everest%20Spring%2052.pdf
Publisher	-
Publication Date	-
Language	-
Citation	-
Yak 94	-
Notes	-

9 recorded references.

Expedition ID	Journal	Author	Title	Publisher	Citation	Yak 94
EVER52101	-	Dittert, Rene & Chevalley, Gabriel	Forerunners to Everest	Harper & Bros, New York	-	C178
EVER52101	-	Roch, Andre	Everest 1952	Editions Jeheber, Geneva	-	R276
EVER52101	-	Swiss Foundation for Alpine Research	Everest	Hodder & Stoughton, London	-	S242
EVER52101	AJ	Roch, Andre	The Swiss Everest Expedition, Spring 1952	-	59:1-8 (May 1953)	-
EVER52101	AAJ	-	-	-	27:579-581 (1953)	-
EVER52101	MW	Fuez, Ernst, et al	Mount Everest, 1952	-	39-136 (1953)	-
EVER52101	-	Oelz, Oswald	Everest-Lhotse	AS Verlag, Zurich	-	-
EVER52101	-	-	http://publications.americanalpineclub.org/articles/12195357900/Asia-Nepal-Mount-Everest	-	-	-
EVER52101	-	-	https://www.alpinejournal.org.uk/Contents/Contents_1953_files/AJ59%201953%201-%208%20Roch%20Frontispiece%20&%20Swiss%20Everest%20Spring%2052.pdf	-	-	-