The Dane Per Lygum began his career at the age of 16, working for the animation studio of Børge Ring, Bjørn Frenk Jensen and Arne Rønd Christensen in Copenhague. He followed Ring and Jensen to the Netherlands in the 1950s to work at the animation department of the Toonder studios. He was mainly involved in animated advertising films. Lygum's film for Stimorol chewing-gum was awarded in France.
For a while, he drew the one-page gag strip 'Planckton' in KRO Studio (1971-1973). At the time, he was already pioneering in animation with the computer. Lygum left the Toonder studios in 1983, and began his own firm at the Heerengracht in Amsterdam. Among his best-remembered films is a Christmas commercial for Tuborg beer. When this company folded, he moved to Germany, where he worked as a director in Munich and Hamburg until his death in Berlin in 1997.