Stanley John Olsen

Stanley John Olsen (24 June 1919 – 23 December 2003) was an American vertebrate paleontologist and one of the founding figures of zooarchaeology in the United States. Olsen was also recognized as an historical archaeologist and scholar of United States military insignia, especially buttons of the American Colonial through Civil War periods. He was the father of John W. Olsen. Provided by Wikipedia