After leaving school he became an assistant school master at a school in Pecham but attended evening classes at London University where he was taught by De Morgan .
Pagkatapos iiwan ng paaralan siya ay naging isang assistant paaralan master sa isang paaralan sa Pecham ngunit pumasok sa gabi klase sa London University kung saan siya ay tinuturuan sa pamamagitan ng Mula Morgan.