many international professional connections and visited Europe frequently.

After several failed attempts to start a medical career in New York, in 1915 Benjamin rented a consulting room, in which he also slept, and started his own general medical practice. In 1937 he moved his practice to a ground floor office suite at 728 Park Avenue in Manhattan, then briefly to 125 East 72nd Street in 1957, and sometime between 1959 and 1962 he moved his practice again to 44 East 67th Street before finally relocating