Thornton, William E. (William Edgar), 1929-2016-02-262016-02-261983http://hdl.handle.net/2152.3/585Photograph of Dr. Thornton conducting research during the STS-8 mission. This photograph shows Dr. Thornton wearing a cervical collar.Space medicine.Space flight--Physiological effect.Medicine--History.Thornton, William E. (William Edgar), 1929-Cervical collarImage