1923.[citation needed] From 1919 to 1934, Doorman was married to Justine A.D. Schermer. Their son JoopDoorman [nl] was born in 1928. The marriage ended
intelligence", under supervision of Henk Lombaers, Adriaan de Groot and JoopDoorman. After his graduation in 1974 Van den Herik had started his academic
law and gender studies. Notable faculty members in those days were JoopDoorman, Henk Lombaers and Pierre Malotaux. The faculties main task was to provide
Organisatiewetenschap en praktijk. Leiden : Stenfert Kroese, 1976. Pierre Malotaux, JoopDoorman and Jan in 't Veld. Inleiding Methodologie: cursus 1977/78. TU Delft