Jim Macaulay was a Scottish scriptwriter and animator. Early in his career, he worked on 35 mm commercials for Odeon Cinemas, and following the closure of Gaumont British Animation, he moved to Scotland. In 1950, he married Eunice Bagley. While working for the Glasgow-based production Templar Film Studios, he was appointed assistant to documentary filmmaker Hilary Harris, who was making Seawards the Great Ships. The documentary won the Academy Award