Miriam O'Brien Underhill

Miriam O'Brien Underhill
Miriam O'Brien, from the 1920 yearbook of Bryn Mawr College
Born
Miriam Eliot O'Brien

(1898-07-22)July 22, 1898,
DiedJanuary 7, 1976(1976-01-07) (aged 77)
Alma materJohns Hopkins University
Known forMountaineering
SpouseRobert L. M. Underhill
Children2

Miriam O'Brien Underhill (July 22, 1898 – January 7, 1976) was an American mountaineer, environmentalist and feminist, best known for the concept of "manless climbing" – organizing all-women's ascents of challenging climbs, mostly in the Alps.