At the age of fourteen, Peter de Wit (1958) and a friend published a magazine about comic strips, for which they interviewed all of the well-known comic strip artists. This gave Peter a close-up look at how comic strips were made. He decided to become a comic strip artist himself. In 1979, his first comic – Stampede! – was published in the weekly magazine Eppo. In addition to this cowboy-themed comic strip, he would go on to develop many others, the most famous being Sigmund, a daily comic strip about a psychiatrist who treats his clients with anything but tender loving care. Published in the daily newspaper de Volkskrant since 1994, Sigmund also appears in newspapers in Belgium and Switzerland. Fourteen comic albums of Sigmund have since been published.

Together with colleague Hanco Kolk, De Wit offered a comic strip illustration training course for the Teleac educational broadcasting company.They are also the minds behind Gilles de Geus, a comic set during the Eighty Years’ War (1568-1648), and Single, a newspaper comic strip about three young women in the big city. In 1995, Peter de Wit was awarded the VSB-Publieksprijs for his comic album Sigmund Eerste Sessie (Sigmund First Session), and, in 1999, the Stripschapprijs for his entire body of work. Peter de Wit lives in Amsterdam with his wife and two children.