| From: | USA 🇺🇸 |
| Date of birth: | 14th Jun 1899 |
| Age: | 93 years old |
| Date of death: | 31st Aug 1992 |
| Gender: | Male |
Yosemite big wall pioneer and blacksmith. His hand-forged hard steel - and thus reusable - pitons were the technological breakthrough that enabled long routes to be climbed on the granite walls of Yosemite.