1) Michael Grant (1914-2004) was an English classicist. CK above.
2) Michael G. Grant (1937) is an American crime writer.
3) Michael Grant (1943-) writes about the American Southwest.
4) Michael Grant b. 1954 wrote Gone. This per LoC. Fantastic Fiction has b. 1943
5) Michael Grant (UK, 1940-02-27) Professor of English and Senior Lecturer in Film Studies at the University of Kent at Canterbury. Has written on T.S. Eliot and David Cronenberg. Some of his works were previously split with Michael Grant (6).
6) Michael Grant, Scottish sportswriter - The Management .