In 1853 he became an associate professor of surgery.

He was the first American professor of cardiovascular surgery, from 1952 through 1965.

In 1877 he became a professor of clinical surgery.

He became professor of military surgery and hygiene at Columbia in 1862.

In 1865 his title was changed to professor of clinical and military surgery.

He join the faculty as an assistant professor of surgery in 1978.

In 1853 he returned to Padua as a professor of clinical surgery.

His father is a professor of surgery at Harvard.

She remained as a professor of surgery before moving to Ohio State in 1987.

He became a professor of surgery in 1898, a position he held until 1917.