Alexander Hyatt King, also known as Alec Hyatt King, (18 July 1911, in Beckenham, London – 10 March 1995, in Southwold, Suffolk)[1] was an English musicologist and bibliographer, who was a music librarian of the British Museum and leading scholar on Wolfgang Amadeus Mozart.
He began his career at the British Museum as a cataloguer in February 1934; a post he remained in until December 1944 when he succeeded William Charles Smith as Superintendent of the Music Room.
[3] He remained in that position until 1973 when he was named Music Librarian of the Reference Division at the British Library.
He also concurrently served as the British Museum's Deputy Keeper of the Department of Printed Books from 1959 until his retirement in 1976.
[5][6] Hyatt King married art historian Evelyn Davies in 1943 and there were two sons.