 the year 1922 in science and technology involved some significant events, listed below. ==archaeology== * november 4 â british archaeologist howard carter and his men find the entrance to king tutankhamen's tomb in the valley of the kings of egypt. ==biology== * h.j. muller sets out the basic properties of genetic heredity. * last known wild barbary lion (p. l. leo) shot in the atlas mountains of morocco. ==chemistry== * june 20 â degesch applies to patent the cyanide-based insecticide zyklon b (credited to walter heerdt) in germany.de 438818. * vitamin e is discovered by herbert mclean evans and katharine scott bishop at the university of california, berkeley. * czech chemist jaroslav heyrovskÃ½ invents polarographic methods of chemical analysis. * german chemist hermann staudinger proposes what he will come to call macromolecules. ==ethnology== * bronisÅaw malinowski's influential ethnological text argonauts of the western pacific is published. ==mathematics== * first publication of ludwig wittgenstein's tractatus logico-philosophicus in an english translation. * ernst steinitz proves steinitz's theorem in polyhedral combinatorics.. ==medicine== * january 11 â first successful insulin treatment of diabetes, by frederick banting in toronto. ==paleontology== * first of four successive [[american museum of natural hist
1922_in_science