In 1967 he returned to Johns Hopkins, becoming professor of microbiology in 1973.
Krogh studied zoology at the University of Copenhagen, becoming professor of animal physiology there in 1916.
He lectured at King's College in London from 1880, becoming professor of political economy in 1888.
In 1891 he moved to the United States, becoming professor successively at Bryn Mawr Paa).
In 1889 he began teaching mathematical physics at Columbia, becoming professor emeritus in 1931.
Palade retired in 2001, becoming professor emeritus of medicine at UCSD.
He stayed, becoming professor in 1986 and retiring as professor emeritus in 1994.
He retired from that position in 1985, becoming professor emeritus of pathology.
From 1871 to 1885 he taught at King's College, London, becoming professor of modern history there in 1876.
When the commission was relocated to Yale University in 1955, Koopmans moved with it, becoming professor of economics at Yale.
At Berkeley he was, successively, research associate, instructor, and assistant professor (1937 45), becoming professor of chemistry in 1946.
