After education at Tonbridge School, N. Gerald Horner matriculated in October 1899 at Gonville and Caius College, Cambridge, graduating there B.A.
He combined these literary activities with interludes of general practice and clinical assistantships at Bart’s and at the Children’s Hospital in Shadwell.
[2]He was from 1911 to 1915 an assistant editor at The Lancet[3] under the editorship of Sir Samuel Squire Sprigge.
Horner retired in 1946 at age sixty-five and was succeeded as editor-in-chief by Hugh Clegg, CBE, FRCP.
[6] In 1911 in Kensington, London, N. Gerald Horner married Grace Malleson Fearon (1891–1950).