Gerardus J. Sizoo Gerardus J. Sizoo Gerardus Johannes Sizoo (8 November 1900 – 4 January 1994) was the first professor of physics at the Vrije Universiteit. He is notable for the establishment and development of the applied physics laboratory in 1930 and the establishment of the Faculty of Mathematics and Physics at the Vrije Universiteit. His doctoral research explored the phenomenon of superconductivity at the University of Leiden, following the lead of Heike Kamerlingh Onnes and Wander Johannes de Haas. He completed his PhD in 1926, with a thesis entitled: "Onderzoekingen over den suprageleidenden toestand van metalen," under Wander Johannes de Haas. In
Harm Kamerlingh Onnes the physicist and Nobel Prize winner Heike Kamerlingh Onnes. In his early years from 1915 to 1925 his work was influenced by modernism. In 1918 he designed a number of abstract stained-glass windows for the Spark House, which was designed by Jacobus Oud. From 1925, he started to take the everyday reality as his subject, and from that time he only made figurative works. It was after a visit to the studio of Mondrian, that he had realized that abstract art was not for him. Some of his designs for stained-glass windows have discoveries of physicists Pieter Zeeman and Hendrik