Paul Siple

Paul Allman Siple (December 18, 1908November 25, 1968) was an American Antarctic explorer and geographer who took part in six Antarctic expeditions, including the two Byrd expeditions of 1928–1930 and 1933–1935, having first gone representing the Boy Scouts of America as an Eagle Scout. Siple was also a Sea Scout. His first and third books covered these adventures.

He was involved with the United States Antarctic Service Expedition of 1939–41, which would have been the third Byrd expedition.

He served during Operation Highjump, (also known as the United States Navy Antarctic Developments Program 1946–47) and was the inaugural scientific leader at the U.S. Amundsen-Scott South Pole Station 1956–1957, during the International Geophysical Year. This activity is covered in his fourth book. Siple and Charles F. Passel developed the wind-chill factor. From 1963–66 he served as the first U.S. science attaché to Australia and New Zealand.

Siple was born in Montpelier, Ohio.

Antarctic features Siple Coast and Siple Island were named in his honor.

He received the Hubbard Medal from the National Geographic Society in 1958. Siple coined the term wind chill.

He became a brother of the Alpha Chi Rho fraternity while attending Allegheny College, in Meadville, Pennsylvania.


  • A Boy Scout With Byrd (1931)
  • Exploring at Home (1932)
  • Scout to Explorer: Back with Byrd in the Antarctic (1936)
  • 90 Degrees South (1959)

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