Alison Hargreaves was a British mountaineer who made history as the first woman to solo climb Everest without supplemental oxygen.
Anatoli Boukreev was a renowned Soviet mountaineer, known for his exceptional climbing skills and courage during the tragic 1996 Mount Everest disaster.
Ueli Steck, a renowned Swiss ultrarunner, known for his incredible endurance and speed, who redefined the boundaries of mountain running and trail racing.