Edward Randle "Ed" LaChapelle (May 31, 1926 – February 1, 2007) was an American avalanche researcher, glaciologist, mountaineer, skier, author, and professor.
Edward Randle "Ed" LaChapelle (May 31, 1926 – February 1, 2007) was an American researcher into snow and ice phenomena, explorer of mountainous regions, athlete, writer, and educator.