Fuchs, Sir Vivian Ernest (1908–1999), an English geologist and explorer. Fuchs led the first land expedition to cross Antarctica, 1957–58. The party, using snow tractors, passed by the South Pole, traveling 2,200 miles (3,500 km) in 99 days.

Fuchs was born in Surrey and received a Ph.D. in geology from Cambridge University. In 1933–34 and 1937–38 he led expeditions to central Africa. After World War II service in the army, he was appointed chief of the scientific bureau for the Falkland Islands Dependencies (1950). In 1955 he led a mapping expedition to Antarctica. Fuchs was knighted in 1958. He and Sir Edmund Hillary wrote The Crossing of Antarctica (1959).