According to
The New Penguin Dictionary of Music, Edmund Rubbra was an English composer, pupil of
Ralph Vaughan Williams, Holst, and others; also pianist; particularly as member of a piano trio; teacher at Oxford University. Works include 10 symphonies, Sinfonia Concertante for piano and orchestra, piano concerto; 2 Masses - one Anglican, one for the Roman Catholic Church which Rubbra entered in 1948; other choral works, songs, etc.