what prominent Dutch mathematician and scientist did Jan Jansz de Jonge Stampioen tutor?
Jan Jansz de Jonge Stampioen Jan Jansz de Jonge Stampioen (1610, Rotterdam - 1653, The Hague) was a Dutch mathematician famous for his published work on spherical trigonometry. In 1638 he moved to The Hague to become tutor of William II, Prince of Orange. In 1644 he was employed to tutor Christiaan Huygens in mathematics.
Johannes C. H. de Meijere Johannes Cornelis Hendrik de Meijere (1 April 1866, Deventer - 6 November 1947) was a Dutch zoologist and entomologist who specialised in Diptera and Coleoptera.