Duc is a pseudonym for Bernard Ducourant. In the late 1960s and begin 1970s he illustrated some comics for the magazines Spirou and Pif. In Spirou, he drew the series 'Mystères du Cosmos' from 1969 to 1972. For Pif, he created the series 'Les Baladins', about a group of travelling actors in the Middle Ages (1969-1970). He has also drawn for the vertical daily strips 'Le Crime ne Paie Pas', that appeared in France-Soir. Bernard Ducourant is also the author of two books about drawing comics, 'L'Art de la BD', published by Glénat in the early 1980s. These courses were first published in Gomme magazine.