Thornton, William E. (William Edgar), 1929-2016-03-182016-03-181972http://hdl.handle.net/2152.3/588Photograph of "CDR" (Skylab 3 Commander, Alan Bean) in the "SMMD" (Specimen Mass Measurement Device).Space medicine.Space flight--Physiological effect.Weightlessness--Physiological effect.Skylab Program.CDR in SMMD (Specimen Mass Measurement Device)Image