He joined the Yale faculty in 1943 and was named chair of the department in 1950.
Lopez retired from the Yale faculty in 1981 after 35 years at the university.
He joined the Yale faculty in 1995 and became a full professor in 2001.
After earning a doctorate from the institute, he joined the Yale faculty in 1937.
He has worked as a member of the Yale faculty ever since.
He joined the Yale faculty in the fall of 2006.
He was a member of the Yale faculty for 32 years until his retirement in June.
He joined the Yale faculty in 1990 and has remained there since.
He was on the Yale faculty for 41 years, retiring in 1969.
In 1929, Keller began his career as a member of the Yale faculty.