He was a doctor from New Zealand.

In 1932, he started to study Medicine in London, but he stopped in order to fight as a volunteer in the Spanish Civil War and he became a Captain. At the beginning of the conflict, he served as a war surgeon in Madrid and he ended up participating in the Battle of Ebro for which he was decorated by the government of the Republic. At the end of the War, he went back to New Zealand and started a campaign in favor of providing international aid to the exiled Spaniards. He talked about his experience in Spain in his book 'Field Surgery in Total War' which was published in October 1940 and became a reference battlefield medical manual. During the Second World War, he joined the Royal Army Medical Corps and he served in Tobruk and Naples, being decorated for that afterwards. In 1951, he started to work at Mary¿s Hospital in Roehampton, near London, and later on he became its director.There is evidence of his membership to the register of photographers of the Defense Committee of Madrid during the Spanish Civil war. In his file, dated November 11th 1937, it is documented that he was a single, 32 year-old man militating in the British Labor Party and that he was serving in the International Brigade as a doctor.