 The social biology position at the London School of Economics was funded by the Rockefeller Foundation, and when it withdrew funding Hogben moved to Aberdeen, becoming Regius Professor of Natural History at the University of Aberdeen in 1937.Hogben was awarded the Neill Prize, and a gold medal, for his work in mathematical genetics.Hogben's claim to have discovered the Xenopus pregnancy test was disputed by two South African researchers, Hillel Shapiro and Harry Zwarenstein.