Tom Speiden Culverwell (October 28, 1901 - March 3, 1977) was an American artist, illustrator, and speleologist. Born in Washington, D.C., Culverwell worked as an illustrator for the U.S. Forest Service in Washington, D.C. and made recreational maps of the eastern national forests. He retired in 1956 and moved to Southwest Harbor, Maine. He served with the Office of Strategic Services during World War II in China, India, and Washington, D.C., making topographical models and military maps. He was a member of the National Speleological Society, which named him a fellow for his work mapping and illustrating Schoolhouse Cave in West Virginia. He contributed both written and illustrated articles for 'Appalachia,' the bulletin and magazine of the Potomac Appalachian Trail Club, of which he was a member. He made a celebrated map of Mount Desert Island that the information bureaus distributed as a visitors' map.