Thornton, William E. (William Edgar), 1929-2016-02-262016-02-261983http://hdl.handle.net/2152.3/584Photograph of Dr. Thornton conducting research during the STS-8 mission. This photograph shows Dr. Thornton using a treadmill while wearing a banner for the US Air Force on his shirt.Thornton, William E. (William Edgar), 1929-Medicine--History.Space flight--Physiological effect.Space medicine.Image