Title: Eduard Looijenga
Content:  Liverpool, he took a faculty position at the University of Nijmegen in 1975, returned as a professor to the University of Amsterdam in 1987, and moved again to Utrecht in 1991. Since his 2013 retirement, he has also held a professorship at Tsinghua University. In 1978, Looijenga was an invited speaker at the International Congress of Mathematicians. He became a member of the Royal Netherlands Academy of Arts and Sciences in 1995, and in 2012 he became one of the inaugural fellows of the American Mathematical Society. In 2013, a conference in honor of his retirement was held at Utrecht University.
Title: Eduard Looijenga
Content:  Eduard Jacob Neven Looijenga (born 30 September 1948, Zaandam) is a Dutch mathematician who works in algebraic geometry and the theory of algebraic groups. He was a professor of mathematics at Utrecht University until his retirement in 2013. Looijenga studied mathematics at the University of Amsterdam beginning in 1965, and earned a master's degree there in 1971. He obtained a Dutch fellowship for two years of study at the Institut des Hautes Études Scientifiques in France, and then returned to the University of Amsterdam, earning a Ph.D. in 1974 under the supervision of Nicolaas Kuiper. After postdoctoral research at the University 
Title: Aafje Looijenga-Vos
Content:  Aafje Looijenga-Vos (29 April 1928 in Marum – 4 November 2018 in Amersfoort) was a Dutch crystallographer. She was a professor for general chemistry and later for structural chemistry at the University of Groningen.
Title: Joke van der Leeuw-Roord
Content:  Joke van der Leeuw-Roord (born 1949) is Founder and Special Advisor of EUROCLIO - The European Association of History Educators and is member of the Europeana Managing Board of the Europeana Association as well as Vice-Chair of the Europeana Foundation. She studied history at Groningen University in the Netherlands. She worked till 1993 as a history teacher, trainer and advisor. She was President of the Dutch History Teachers Association, and editor of the Magazine on the Learning and Teaching of History in the Netherlands. She was chair of the Committee which designed and implemented innovative national examinations for history and citizenship education. 
Title: Aafje Looijenga-Vos
Content:  Since 1980, she was a member of the Royal Netherlands Academy of Arts and Sciences.
Title: Bernard Lievegoed
Content:  economics and Dean of the Economics Department until 1973. During this time he supported the work of the Kind en Instrument Foundation, out of which the international Choroi instrument-making workshops arose, and founded an association for therapeutic educators. With his colleagues in NPI he developed Theory U, which later developed as an influential management concept popularized by Otto Scharmer. Between 1968 and 1976 Lievegoed was chair of a governmental commission on education that was given the task of transforming the educational system in the Netherlands. During this time he published a number of works (titles are given in approximate 
Title: Eddy de Jongh
Content:  Eduard Siegfried "Eddy" de Jongh (Amsterdam, 7 June 1931) is a Dutch art historian specialized in iconography. He was professor of art history with a teaching assignment in iconography at Utrecht University between 1976 and 1989.
Title: Eddie Lo
Content:  Eddie Lo is a Chinese-Canadian table tennis player.
Title: Bernard Lievegoed
Content:  Bernardus Cornelis Johannes Lievegoed (2 September 1905, Medan – 12 December 1992, Zeist) was a Dutch medical doctor, psychiatrist and author. He is most famous for establishing a theory of organizational development. He founded the N.P.I., or Netherlands Pedagogical Institute, which works with organizations and individuals to help these realize their economic, social and cultural goals. He also founded the Vrije Hogeschool in Driebergen.
Title: Ludo Loos
Content:  Ludo Loos (13 January 1955 – 1 March 2019) was a Belgian professional road bicycle racer.

Question: What is Eduard Looijenga's occupation?
Answer: mathematician.