duncancritchley

	Country	Contributions	Between	Climbers	Crags	Climbs	Ascents
1	USA	4245	9th July 2025 – 15th October 2026	78	21	107	277
2	United Kingdom	3650	7th July 2025 – 16th October 2026	152	190	81	256
3	Italy	500	12th July 2025 – 4th October 2026	6	15	14	34
4	Germany	232	11th August 2025 – 14th September 2026	13	8	6	4
5	Australia	219	11th August 2025 – 21st August 2026	7	8	10	9
6	France	203	12th July 2025 – 25th September 2026	12	26	10	4
7	Spain	193	12th July 2025 – 16th October 2026	3	23	8	7
8	Canada	163	11th July 2025 – 6th June 2026	3	3	3	7
9	Switzerland	149	7th July 2025 – 13th October 2026	2	4	4	16
10	New Zealand	146	10th February 2026 – 3rd April 2026	2	2	5	6

	Date	Time	User	Type	Name	Attribute
941	8th September 2026	08:44:35 UTC	duncancritchley	climber	Willo Welzenbach	climber_name
Before `Wilo Welzenbach` After `Willo Welzenbach`
942	8th September 2026	08:40:54 UTC	duncancritchley	climber	Willo Welzenbach	notes_pretty
Before <p>One of the foremost German rock climbers and mountaineers of the interwar period. "The father of modern ice climbing" [2] who developed the first ice piton. UIAA rock climbing grades were invented by Welzenbach as a I to VI scale, and it was only in the late 1960s that this was expanded to VII and harder. Welzenbach died on Nanga Parbat.</p> <h3>References</h3> <p>[1] <a href="https://www.alpinwiki.at/portal/navigation/erst-besteiger/erstbesteigerdetail.php?erstbesteiger=8877" rel="noopener noreferrer">https://www.alpinwiki.at/portal/navigation/erst-besteiger/erstbesteigerdetail.php?erstbesteiger=8877</a></p> <p>[2] Unsworth, W (1986). Savage Snows: Story of Mont Blanc. UK, Hodder & Stoughton. pp. 133–137</p> <p>[3] <a href="https://www.deutsche-biographie.de/gnd118631144.html#ndbcontent" rel="noopener noreferrer">https://www.deutsche-biographie.de/gnd118631144.html#ndbcontent</a></p> After <p>One of the foremost German rock climbers and mountaineers of the interwar period. "The father of modern ice climbing" [2] who was first to use ice pitons and developed his own crampons and bivi tent. UIAA rock climbing grades were invented by Welzenbach as a I to VI scale, and it was only in the late 1960s that this was expanded to VII and harder. Welzenbach died on Nanga Parbat.</p> <h3>References</h3> <p>[1] <a href="https://www.alpinwiki.at/portal/navigation/erst-besteiger/erstbesteigerdetail.php?erstbesteiger=8877" rel="noopener noreferrer">https://www.alpinwiki.at/portal/navigation/erst-besteiger/erstbesteigerdetail.php?erstbesteiger=8877</a></p> <p>[2] Unsworth, W (1986). Savage Snows: Story of Mont Blanc. UK, Hodder & Stoughton. pp. 133–137</p> <p>[3] <a href="https://www.deutsche-biographie.de/gnd118631144.html#ndbcontent" rel="noopener noreferrer">https://www.deutsche-biographie.de/gnd118631144.html#ndbcontent</a></p>
943	8th September 2026	08:40:54 UTC	duncancritchley	climber	Willo Welzenbach	notes
Before One of the foremost German rock climbers and mountaineers of the interwar period. "The father of modern ice climbing" [2] who developed the first ice piton. UIAA rock climbing grades were invented by Welzenbach as a I to VI scale, and it was only in the late 1960s that this was expanded to VII and harder. Welzenbach died on Nanga Parbat. ### References [1] [https://www.alpinwiki.at/portal/navigation/erst-besteiger/erstbesteigerdetail.php?erstbesteiger=8877](https://www.alpinwiki.at/portal/navigation/erst-besteiger/erstbesteigerdetail.php?erstbesteiger=8877) [2] Unsworth, W (1986). Savage Snows: Story of Mont Blanc. UK, Hodder & Stoughton. pp. 133–137 [3] [https://www.deutsche-biographie.de/gnd118631144.html#ndbcontent](https://www.deutsche-biographie.de/gnd118631144.html#ndbcontent) After One of the foremost German rock climbers and mountaineers of the interwar period. "The father of modern ice climbing" [2] who was first to use ice pitons and developed his own crampons and bivi tent. UIAA rock climbing grades were invented by Welzenbach as a I to VI scale, and it was only in the late 1960s that this was expanded to VII and harder. Welzenbach died on Nanga Parbat. ### References [1] [https://www.alpinwiki.at/portal/navigation/erst-besteiger/erstbesteigerdetail.php?erstbesteiger=8877](https://www.alpinwiki.at/portal/navigation/erst-besteiger/erstbesteigerdetail.php?erstbesteiger=8877) [2] Unsworth, W (1986). Savage Snows: Story of Mont Blanc. UK, Hodder & Stoughton. pp. 133–137 [3] [https://www.deutsche-biographie.de/gnd118631144.html#ndbcontent](https://www.deutsche-biographie.de/gnd118631144.html#ndbcontent) Diff --- before +++ after @@ -1,4 +1,4 @@ -One of the foremost German rock climbers and mountaineers of the interwar period. "The father of modern ice climbing" [2] who developed the first ice piton. UIAA rock climbing grades were invented by Welzenbach as a I to VI scale, and it was only in the late 1960s that this was expanded to VII and harder. Welzenbach died on Nanga Parbat. +One of the foremost German rock climbers and mountaineers of the interwar period. "The father of modern ice climbing" [2] who was first to use ice pitons and developed his own crampons and bivi tent. UIAA rock climbing grades were invented by Welzenbach as a I to VI scale, and it was only in the late 1960s that this was expanded to VII and harder. Welzenbach died on Nanga Parbat. ### References
944	8th September 2026	08:38:27 UTC	duncancritchley	climber	Willo Welzenbach	date_of_death_start
Before `0034-07-12` After `1934-07-12`
945	8th September 2026	08:38:27 UTC	duncancritchley	climber	Willo Welzenbach	date_of_death_end
Before `1834-07-13` After `1934-07-13`
946	8th September 2026	08:38:27 UTC	duncancritchley	climber	Willo Welzenbach	age
Before `between -1866 and -66` After `33`
947	8th September 2026	08:38:27 UTC	duncancritchley	climber	Willo Welzenbach	date_of_death_pretty
Before `12th July 0034-13th July 1834` After `12th-13th July 1934`
948	8th September 2026	08:37:50 UTC	duncancritchley	climber	Willo Welzenbach	age
Before `None` After `between -1866 and -66`
949	8th September 2026	08:37:50 UTC	duncancritchley	climber	Willo Welzenbach	date_of_birth_pretty
Before After `10th Nov 1900`
950	8th September 2026	08:37:50 UTC	duncancritchley	climber	Willo Welzenbach	date_of_death_pretty
Before After `12th July 0034-13th July 1834`
951	8th September 2026	08:37:50 UTC	duncancritchley	climber	Willo Welzenbach	date_of_birth_end
Before `None` After `1900-11-10`
952	8th September 2026	08:37:50 UTC	duncancritchley	climber	Willo Welzenbach	notes
Before One of the foremost German rock climbers and mountaineers of the interwar period. "The father of modern ice climbing" [2] who developed the first ice piton. UIAA rock climbing grades were invented by Welzenbach as a I to VI scale, and it was only in the late 1960s that this was expanded to VII and harder. Welzenbach died on Nanga Parbat. ### References [1] [https://www.alpinwiki.at/portal/navigation/erst-besteiger/erstbesteigerdetail.php?erstbesteiger=8877](https://www.alpinwiki.at/portal/navigation/erst-besteiger/erstbesteigerdetail.php?erstbesteiger=8877) [2] Unsworth, W (1986). Savage Snows: Story of Mont Blanc. UK, Hodder & Stoughton. pp. 133–137 After One of the foremost German rock climbers and mountaineers of the interwar period. "The father of modern ice climbing" [2] who developed the first ice piton. UIAA rock climbing grades were invented by Welzenbach as a I to VI scale, and it was only in the late 1960s that this was expanded to VII and harder. Welzenbach died on Nanga Parbat. ### References [1] [https://www.alpinwiki.at/portal/navigation/erst-besteiger/erstbesteigerdetail.php?erstbesteiger=8877](https://www.alpinwiki.at/portal/navigation/erst-besteiger/erstbesteigerdetail.php?erstbesteiger=8877) [2] Unsworth, W (1986). Savage Snows: Story of Mont Blanc. UK, Hodder & Stoughton. pp. 133–137 [3] [https://www.deutsche-biographie.de/gnd118631144.html#ndbcontent](https://www.deutsche-biographie.de/gnd118631144.html#ndbcontent) Diff --- before +++ after @@ -6,4 +6,6 @@ [1] [https://www.alpinwiki.at/portal/navigation/erst-besteiger/erstbesteigerdetail.php?erstbesteiger=8877](https://www.alpinwiki.at/portal/navigation/erst-besteiger/erstbesteigerdetail.php?erstbesteiger=8877) -[2] Unsworth, W (1986). Savage Snows: Story of Mont Blanc. UK, Hodder & Stoughton. pp. 133–137 +[2] Unsworth, W (1986). Savage Snows: Story of Mont Blanc. UK, Hodder & Stoughton. pp. 133–137 + +[3] [https://www.deutsche-biographie.de/gnd118631144.html#ndbcontent](https://www.deutsche-biographie.de/gnd118631144.html#ndbcontent)
953	8th September 2026	08:37:50 UTC	duncancritchley	climber	Willo Welzenbach	date_of_death_start
Before `None` After `0034-07-12`
954	8th September 2026	08:37:50 UTC	duncancritchley	climber	Willo Welzenbach	notes_pretty
Before <p>One of the foremost German rock climbers and mountaineers of the interwar period. "The father of modern ice climbing" [2] who developed the first ice piton. UIAA rock climbing grades were invented by Welzenbach as a I to VI scale, and it was only in the late 1960s that this was expanded to VII and harder. Welzenbach died on Nanga Parbat.</p> <h3>References</h3> <p>[1] <a href="https://www.alpinwiki.at/portal/navigation/erst-besteiger/erstbesteigerdetail.php?erstbesteiger=8877" rel="noopener noreferrer">https://www.alpinwiki.at/portal/navigation/erst-besteiger/erstbesteigerdetail.php?erstbesteiger=8877</a></p> <p>[2] Unsworth, W (1986). Savage Snows: Story of Mont Blanc. UK, Hodder & Stoughton. pp. 133–137</p> After <p>One of the foremost German rock climbers and mountaineers of the interwar period. "The father of modern ice climbing" [2] who developed the first ice piton. UIAA rock climbing grades were invented by Welzenbach as a I to VI scale, and it was only in the late 1960s that this was expanded to VII and harder. Welzenbach died on Nanga Parbat.</p> <h3>References</h3> <p>[1] <a href="https://www.alpinwiki.at/portal/navigation/erst-besteiger/erstbesteigerdetail.php?erstbesteiger=8877" rel="noopener noreferrer">https://www.alpinwiki.at/portal/navigation/erst-besteiger/erstbesteigerdetail.php?erstbesteiger=8877</a></p> <p>[2] Unsworth, W (1986). Savage Snows: Story of Mont Blanc. UK, Hodder & Stoughton. pp. 133–137</p> <p>[3] <a href="https://www.deutsche-biographie.de/gnd118631144.html#ndbcontent" rel="noopener noreferrer">https://www.deutsche-biographie.de/gnd118631144.html#ndbcontent</a></p>
955	8th September 2026	08:37:50 UTC	duncancritchley	climber	Willo Welzenbach	date_of_birth_start
Before `None` After `1900-11-10`
956	8th September 2026	08:37:50 UTC	duncancritchley	climber	Willo Welzenbach	date_of_death_end
Before `None` After `1834-07-13`
957	8th September 2026	08:35:50 UTC	duncancritchley	climber	Willo Welzenbach	notes
Before `One of the foremost German rock climbers and mountaineers of the interwar period.` After One of the foremost German rock climbers and mountaineers of the interwar period. "The father of modern ice climbing" [2] who developed the first ice piton. UIAA rock climbing grades were invented by Welzenbach as a I to VI scale, and it was only in the late 1960s that this was expanded to VII and harder. Welzenbach died on Nanga Parbat. ### References [1] [https://www.alpinwiki.at/portal/navigation/erst-besteiger/erstbesteigerdetail.php?erstbesteiger=8877](https://www.alpinwiki.at/portal/navigation/erst-besteiger/erstbesteigerdetail.php?erstbesteiger=8877) [2] Unsworth, W (1986). Savage Snows: Story of Mont Blanc. UK, Hodder & Stoughton. pp. 133–137 Diff --- before +++ after @@ -1 +1,9 @@ -One of the foremost German rock climbers and mountaineers of the interwar period. +One of the foremost German rock climbers and mountaineers of the interwar period. "The father of modern ice climbing" [2] who developed the first ice piton. UIAA rock climbing grades were invented by Welzenbach as a I to VI scale, and it was only in the late 1960s that this was expanded to VII and harder. Welzenbach died on Nanga Parbat. + +### References + + + +[1] [https://www.alpinwiki.at/portal/navigation/erst-besteiger/erstbesteigerdetail.php?erstbesteiger=8877](https://www.alpinwiki.at/portal/navigation/erst-besteiger/erstbesteigerdetail.php?erstbesteiger=8877) + +[2] Unsworth, W (1986). Savage Snows: Story of Mont Blanc. UK, Hodder & Stoughton. pp. 133–137
958	8th September 2026	08:35:50 UTC	duncancritchley	climber	Willo Welzenbach	notes_pretty
Before `<p>One of the foremost German rock climbers and mountaineers of the interwar period.</p>` After <p>One of the foremost German rock climbers and mountaineers of the interwar period. "The father of modern ice climbing" [2] who developed the first ice piton. UIAA rock climbing grades were invented by Welzenbach as a I to VI scale, and it was only in the late 1960s that this was expanded to VII and harder. Welzenbach died on Nanga Parbat.</p> <h3>References</h3> <p>[1] <a href="https://www.alpinwiki.at/portal/navigation/erst-besteiger/erstbesteigerdetail.php?erstbesteiger=8877" rel="noopener noreferrer">https://www.alpinwiki.at/portal/navigation/erst-besteiger/erstbesteigerdetail.php?erstbesteiger=8877</a></p> <p>[2] Unsworth, W (1986). Savage Snows: Story of Mont Blanc. UK, Hodder & Stoughton. pp. 133–137</p>
959	8th September 2026	08:26:06 UTC	duncancritchley	climber	Willo Welzenbach	Other Name
Before `None` After `Wilhelm`
960	8th September 2026	08:25:47 UTC	duncancritchley	climber	Willo Welzenbach	notes_pretty
Before `None` After `<p>One of the foremost German rock climbers and mountaineers of the interwar period.</p>`

Badges

Contributions

Posts

157

200

830

10999

2

6

Contributions Map

Contributions by Country

Recent Contributions

< Page 48 >