MB ChB Vict 1896.
Christophers grew up in Liverpool and studied at the Victoria University. After working as a house physician, Christophers was a medical officer to an expedition on the Amazon. When he returned to England he was selected as a member of the Malaria Commission. He studied in Italy before accompanying another expedition to West Africa. Christophers did much work on malaria transmission and was one of the founders of medical entomology. In 1916 he became director of the Central Laboratory in Basra where he carried out a large survey into malaria. In 1926 Christophers was elected to the Fellowship of the Royal Society. In the 1930s he retired from work in India, and Christophers carried out research at the London School of Hygiene and Tropical Medicine and at Cambridge.