Lantern slide showing human dark-adaptation curves used in the Department's first dissertation defense by Robert Hattwick (Experimental Psychology) in 1953. Howard Baker was the major professor. The Department gained approval for granting doctoral degrees in 1952. Our Clinical Psychology training program was accredited by APA in 1954. We had an active School Psychology training program from mid-1950s through late 1980s. The Department has granted 726 doctoral degrees in fifty years.