(b London, 1926; d London, 2004). Eng. writer on music. Civil servant 1950–78. Authority on codes and ciphers and author of monographs on Schumann's ciphers, Elgar's enigma, and Brahms's ‘musical love-letters’. Has also written books about the songs of Wolf (1961, rev. 1983), Schumann (1969, rev. 1975), and Brahms (1972).
From The Concise Oxford Dictionary of Music in Oxford Reference.