John Anthony Whitworth (27 December 1921 – 11 July 2013) was an English countertenor, organist, and teacher of music.
[3] On graduating from Cambridge in 1949, Whitworth was appointed to the choir of Westminster Abbey as a singing lay vicar and remained there for 22 years.
[3] Whitworth's first solo engagement as a professional singer was in 1950, in Handel's Messiah at the Methodist Central Hall, Westminster.
[4] Living in London, Whitworth was in much demand as a singer and also as a choir director for recitals, concerts, recordings, and BBC Radio broadcasts.
[4] While still at Westminster Abbey, Whitworth was organist of Christ Church, Chelsea, in 1964–1965 and of St Paul's, Covent Garden, from 1965 to 1970.
[5] Whitworth gave up all his London positions in 1971 to become a music adviser to Leicestershire County Council, a post he held until his retirement at age 65 in 1986.