Lotsy was born in Dordrecht and died in Voorburg .
Johannes Paulus Lotsy ( April 11 , 1867 -- November 17 , 1931 ) was a Dutch botanist , specializing in evolution and heredity .
botanist was born in Dordrecht and died in Voorburg .
Johannes Paulus Lotsy ( April 11 , 1867 -- November 17 , 1931 ) was a Dutch botanist , specializing in evolution and heredity .