Maarten 't Hart
 Maarten 't Hart (born 25 November 1944 in Maassluis) is a Dutch biologist who studied zoology and ethology at the University of Leiden and taught that subject before becoming a full-time writer in the 1980s having made his debut as a novelist in 1971 under the name Martin Hart with Stenen voor een ransuil (Stones for a Long-Eared Owl).He is the author of many novels including Het Woeden der Gehele Wereld and De kroongetuige.