N'afọ ndị sochirinụ, mahadum ahụ nwere ọganihu dị ukwuu, gụnyere nchọpụta Sir Charles Sherrington nke synapse na ọrụ William Blair-Bell na ọgwụgwọ kemịkalụ na ọgwụgwọ ọrịa kansa. N'afọ ndị 1930 ruo 1940 Sir James Chadwick na Sir Joseph Rotblat nyere nnukwu onyinye maka mmepe nke bọmbụ atọm. Site na 1943 ruo 1966 Allan Downie, Prọfesọ nke Bacteriology, tinyere aka na mkpochapụ nke obere ọrịa. Ajụjụ: afọ ole ka ọ ghọrọ mahadum nwere onwe ya
Afọ 1903