A convenient notation for theoretic scheduling problems was introduced by Ronald Graham, Eugene Lawler, Jan Karel Lenstra and Alexander Rinnooy Kan in.
Jan van Eyck | Jan Matejko Academy of Fine Arts | Jan Hammer | Jan Peerce | Jan Hus | Jan Mayen | Jan Guillou | Karel Gott | Jan Smuts | Jan Fabre | Jan Morris | Jan Matejko | Jan Garbarek | Ignacy Jan Paderewski | Karel Čapek | Jan van Riebeeck | Jan Troell | Karel Appel | Jan Tinbergen | Jan Neruda | Jan-Michael Vincent | Jan Kochanowski | Karel Teige | Karel Reisz | Karel Goeyvaerts | Jan Brewer | Jan Bechtum | Karel van Mander | Karel Václav Rais | Jan Zamoyski |