Harold Strang Taylor-Young was born on 3 March 1902. He was the second son of Hugh Corbett Taylor, a gynaecologist in Sydney, Australia, and his wife Annie Rankin, née Strang. Taylor-Young noted on his CV form that his father "never legally hyphenated his name", but that he did in 1930. He came t

Henry Hamilton Stewart was born on 23 August 1904, the son of H A Stewart, a practitioner at Thornton, Bradford. He was educated at Bradford Grammar School, King's College Cambridge and St Thomas's Hospital. At Cambridge he was placed in the first class in the Natural Sciences Tripos of 1925. At St