He also served as a professor at the same university.

He would serve as a senior professor there until 1974.

He would later serve as a professor at the same institute.

He also served as a professor of English at the university.

He served there as a professor of medicine from 1974-96.

He served as a professor at the university until his retirement in 1984.

There, he served as an assistant professor from 1931 to 1935.

He then served four years as professor of mathematics there.

He joined the faculty three years later and served as professor of law for nearly half a century from 1910-1954.

He served as a professor in this department until retiring at 1986.