He served as the scientific director at the hospital until 1919 , then as its research director .
Franz was then a physiology professor at George Washington University Medical School and a psychologist at the Government Hospital for the Insane .
Franz served as the scientific director at the hospital until 1919 , then as its research director .
Franz was then a physiology professor at George Washington University Medical School and a psychologist at the Government Hospital for the Insane .