Cecil R. Mulnix, 1937, Smithsonian Archives - History Div, Image of a man identified as Cecil R. Mulnix is standing outside on the Mall, Washington, D.C., in a guard's uniform, holding a book. A stool is near him on ground. In the distance on the left are parked automobiles., According to the Smithsonian Institution's Annual Report for 1944, Cecil R. Mulnix a guard, retired on March 31, 1944, after 13 years and 7 months service, on account of disability..