Heinrich Kleisli, Date of Birth, Date of Death

Heinrich Kleisli

mathematician (1930-2011)

Date of Birth: 19-Oct-1930

Date of Death: 05-Apr-2011

Profession: mathematician, university teacher

Nationality: Switzerland

Zodiac Sign: Libra

Heinrich Kleisli (; October 19, 1930 – April 5, 2011) was a Swiss mathematician.
He is the namesake of several constructions in category theory, including the Kleisli category and Kleisli triples.
He is also the namesake of the Kleisli Query System, a tool for integration of heterogeneous databases developed at the University of Pennsylvania. Kleisli earned his Ph.D.
at ETH Zurich in 1960, having been supervised by Beno Eckmann and Ernst Specker.
His dissertation was on homotopy and abelian categories.
He served as an associate professor at the University of Ottawa before relocating to the University of Fribourg in 1966.
He became a full professor at Fribourg in 1967.