#1 Alan Marshall 1902-1984 was the Australian author of I Can Jump Puddles.
#2 Alan Marshall 1957- is the author of Intelligence and Espionage in the Reign of Charles II.
#3 Alan Marshall 1969- is the New Zealand author of Wild Design: Ecofriendly Innovations Inspired by Nature.
#4 Alan Marshall, author of Man Hungry, was a pseudonym of Donald E. Westlake 1933-2008.
(5) Alan Marshall, b. 1959, Professor of Electrical and Electronic Engineering at Queen's University Belfast, author of Management of Multimedia Networks and Services
(6) Alan Marshall, b. 1938, British film producer