Almon Harris Thompson
…and science. He attended Wheaton College in Illinois from 1857 to 1861, where he met John Wesley Powell. After graduation, he married Powell's sister, Ellen Louella (Nellie) Powell (1840–1909), on July 8, 1862, in Wheaton, Illinois. They had no children. On May 16, 1864, Thompson enlisted in the United States Army, noting his…