Complex sentence: Alfred Jaretzki III was a medical doctor and medical professor who was the son of lawyer Alfred Jaretzki, Jr. During the 1940s through 1990s, Jaretzki served as a professor of clinical surgery at Columbia Presbyterian Hospital in New York City.
Split into simpler sentences: Alfred Jaretzki III was a medical doctor and medical professor. Jaretzki was the son of lawyer Alfred Jaretzki, Jr. During the 1940s through 1990s, Jaretzki served as a professor of clinical surgery at Columbia Presbyterian Hospital in New York City.