 His first comic strip was "Clumsy Claude" in "The Beano", and for many years he drew "Baby Crockett" in the "Beezer".Between 1957 and 1964 Ritchie drew the illustrations for "The Glad Mag" an annual magazine produced by students of Queen’s College, Dundee as part of their charities campaign.Copies of these magazines are held by University of Dundee Archive Services.