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
Heike Hennig and in international festivals. Heike Hennig arranged for the former dancers of the Leipzig opera to return on stage. Ursula Cain, Christa Franze, Siegfried Prölß und Horst Dittmann, who at this time were about 80 years old, told and danced their dance and life stories which were shaped by Mary Wigman, Dore Hoyer, Gret Palucca and Heike Hennig. During the shooting, the next dance piece "Zeitsprünge (Leaps in Time)" was created. here, the protagonists meet up with their younger colleagues in the ensemble "Heike Hennig & Co" and DJ cfm. The different generations might be recognized from the various dance-styles