Willard Drake Johnson (1860-1917) was an American glaciologist, topographer, cartographer, hydrographer, geologist, geographer, and ethnologist. The laboratory is named in honor of geophysicist and glaciologist Albert P. Crary. Ellen Mosley-Thompson is a glaciologist and climatologist. Jean Jouzel, (born 5 March 1947) is a prominent French glaciologist and climatologist. The summit is named in honor of Louis Agassiz, a well-known paleontologist, glaciologist and geologist. Korzhenevskiy was a famous Russian and Soviet geographer, glaciologist, and explorer of the Pamir Mountains. M Jackson is an American geographer, glaciologist, and National Geographic Society Explorer. A glaciologist is a person who studies glaciers. The glacier is named after the Irish glaciologist John Tyndall. Erin Christine Pettit (born 1971) is an American glaciologist focusing on climate change. His mentor was the famous glaciologist Petr Shumsky. It was named by UK-APC for German glaciologist Hans Mothes. Mercer Ice Stream is named after the late Ohio State University glaciologist John Mercer. Timothy Raymond Naish is a New Zealand glaciologist. The scientific director is glaciologist Pedro Skvarca.