Robert Dalmasso worked as a comics artist in the 1940s and 1950s. Born in Nice in 1930, Dalmasso published his first work at the age of 16. Between 1946 and 1949, he used the pen name Robert Devil, and he illustrated several comics in the collection Bagarre, such as 'Inspecteur Mackinson - Terreur à Paris', 'La Pyramide du Diable', 'Jean Péril - Mission sur Tokio' and 'L'Empire du Silence'.
Between 1950 and 1955, he signed his work with Robert Dalmas. During this period, he illustrated comics novels and photo novels for the Editions Presses Mondiales. His output contained mostly romance, espionage and crime stories.
For Editions Edica, he produced complete stories like 'Coeur d'Espionne' and 'Hold-up à la Mairie'. He was also present in IMA, a magazine for children and adolescents, for which he did short stories and illustrations. Dalmasso left the comics field in 1955, which he continued to regret. He passed away in October 2009.