Right upon graduating in 1945, Fleishman enlisted in the U.S. Navy under an electronics program. Displaying a greater interest in psychology during his time in the Navy, he joined the Department of Psychology at University of Maryland and earned his M.A.
After graduating in 1945, Fleishman enlisted in the U.S. Navy under an electronics program. During his time in the Navy, he developed a greater interest in psychology and subsequently joined the Department of Psychology at the University of Maryland to earn his M.A.