Marits Rietdijk was born in The Hague, The Netherlands in 1920. He worked as a graphic artist in his father's factory from 1935 until 1946. Afterwards, he became a freelance illustrator, painter and comic artist. He created comics such as 'Barend Balhoofd', 'Treesje Trapniet', 'Peter Mijleneter', 'Manus Onverstoorbaar', 'Egon', 'Baron Gas ter Planck' and 'Mijnheer PS' for magazines such as Motor, Fietsmotor, De Kampioen and Gute Fahrt.
'Baron Gas ter Planck was an advertising comic for car factory Coenen and published in 1962. 'Barend Balhoofd' was also published in two issues. In the late 1960s and early 1970s he was head of the design department of the publishing firm Success-NBC, and through this occupation he often worked with Martin Lodewijk, Eppo Doeve and Charles Burki.