English composer and pianist. (9 December 1880 – 2 May 1966)
His most noted composition was the song Ave Maria with accompaniment by piano, and violin obbligato.

Kahn accompanied some of the great musicians of the day, including violinists Mischa Elman and Fritz Kreisler; sopranos Dame Nellie Melba, Luisa Tetrazzini, Florence Austral and Oda Slobodskaya, tenors Enrico Caruso, John McCormack (2), Richard Tauber, Joseph Hislop and Beniamino Gigli; and baritones Titta Ruffo and John Brownlee. Of all these artists, he was most closely associated with Richard Tauber, whom he accompanied regularly for 14 years, from 1933 up to his death.