Abraham Cornelis de Landtsheer

Astronomy-related doctorate Other doctorate Master's degree Bachelor's degree No degree Degree unknown Doctorate, unknown whether astronomy-related
Minnaert, Marcel Gilles Jozef
1914, State University of Ghent
de Jager, Cornelis
1952, Utrecht University
Heintze, Johannes Rudolf Wilhelm
1965, Utrecht University
de Landtsheer, Abraham Cornelis
1985, Utrecht University