Adriaan Cornelis Zaanen
Adriaan (Aad) Cornelis Zaanen was born on 14 June 1913 in Rotterdam as the oldest son of Pieter Zaanen and Ariaantje de Bruijn. His father was a building contractor, renovating mainly historical buildings. From 1925 until 1930, Aad attended high school in Rotterdam, where his teacher in mathematics was the brother of the well-known Dutch mathematician J.G. van der Corput. Aad Zaanen was married to Ada Jacoba van der Woude and together they had four sons. He passed away on 1 April 2003.