After a few years out of the scientific field as the director of the Dutch regional newspaper De Twentsche Courant, he returned to international science publishing at Academic Press in London.
Jan van Eyck | Jan Matejko Academy of Fine Arts | Jan Hammer | Jan Peerce | Jan Hus | Jan Mayen | Jan Guillou | Jan Smuts | Jan Fabre | Jan Morris | Jan Matejko | Jan Garbarek | Ignacy Jan Paderewski | Jan van Riebeeck | Jan Troell | Jan Tinbergen | Jan Neruda | Jan-Michael Vincent | Jan Kochanowski | Jan Brewer | Jan Bechtum | Jan Zamoyski | Jan Ullrich | Jan Peter Balkenende | Jan Egeland | Robert Jan Stips | Mian Shakirullah Jan | Jan Weenix | Jan Timman | Jan Murray |