I did a bit of reserach into Philip Dore when I was writing an article on the Organs & organists of St Mary, Portsea for the centenary book of 1989.
Philip Dore 1903-74 MA MusB (Cantab) FRCO
native of Portsmouth
Chorister Chichester Cathedral (later Ast organist under Dr F J Read)
1922 - Organ Scholar, Queen's College, Cambridge - studied under Charles Wood, E W Naylor, Dr C B Rootham
Held cinema posts in London & Maidenhead
Municipal organist Portsmouth Guildhall
Organist, St Mary, Portsea 1925-28
Municipal organist, Bournemouth
Organist - Mullingar Cathedral
Wartime service - customs and excise
Christ's Hospital, Horsham
Brighton College
Ampleforth Abbey - designed "new" 4 manual Walker organ 1960s.
See "The Organ" Vol ix p27
I hope this is useful. I have some chorale preludes by him. Whitlock dedicated his Fantasie Choral No 1 to Dore
John Radford