Hope-Wallace was born in London, the third and youngest child and only son of Charles Nugent Hope-Wallace, MBE, principal clerk of the Charity Commission for England and Wales, and his wife, Mabel Florence, daughter of Colonel Allan Chaplin, of the Madras Army.
[2] He worked briefly for a commercial radio station at Fécamp, and from 1935 to 1936 was press officer for the Gas Light and Coke Company.
[2] Unfit for military service, Hope-Wallace worked at the Air Ministry during the Second World War.
[4] The programme was not archived by the BBC, but an unofficial tape copy was among a collection of over 90 episodes discovered by an amateur researcher and placed online in 2022.
"[3] A selection of his writings for the publications noted above, as well as several other British periodicals including the New Statesman, Opera (London), Punch, The Spectator, and Vogue appear in a volume edited by C.V. Wedgwood (whose partner was Hope-Wallace's sister Jacqueline Hope-Wallace) under the title Words and Music.