There have only been four solos of Denali in winter to date: Naomi Uemura in 1984 via the West Buttress, he died on the descent; Vern Tejas in 1988 via the West Buttress, he dedicated the summit to Uemura; David Staeheli in 1989 via the West Rib; and Lonnie Dupree in 2015 via the West Buttress.