Harold Jacob Spiro ( 25 June 1925 – 11 December 1996 ) was an English songwriter . He is best known for his co-writing with Valerie Avon , particularly the song " Long Live Love " ( 1974 ) performed by Olivia Newton-John , which was the UK 's entry in the Eurovision Song Contest 1974
Eurovision Song Contest 1974
Eurovision Song Contest 1974
Harold Spiro