[1] Interview with http://escalade9.wifeo.com/, October 2010 http://escalade9.wifeo.com/pirmin-bertle.php
[1] Interview on The Nugget Climbing Podcast
[2] https://www.facebook.com/climbing.in.the.80s/photos/a.270388289694020/925282624204580
[3] https://www.youtube.com/watch?v=qPRC_DydfSk
Owner of UKBouldering.com and known for his 10+ year siege of the route Austrian Oak at Malham Cove.
Stewart Watson is a British climber who now lives in Austria. He also runs a physio practice [1].
[1] https://www.instagram.com/physiooetztal/.
[1] https://www.climbing.com/people/amity-warme-profile/
[2] Interview December 2024 https://covergroundusa.com/conversationwithamity
[1] https://www.ukclimbing.com/news/2015/07/dan_dark_horse_mcmanus-69822
[1] Interview with Desnivel, 2023 https://www.desnivel.com/escalada-roca/escaladores/ignacio-mulero-lo-que-mas-me-motiva-ahora-es-la-autoproteccion/