[1] Born in Borup in central Zealand, Christoffersen spent a short period at the Copenhagen Arts and Crafts School before travelling to the Far East in 1940–41.
In the early 1940s, he began to illustrate books including Nis Petersen's Digte (Poems) in 1942 and Ester Nagel's Mennesker (People, 1943).
He also created coloured woodcuts and also produced book covers and posters but finally decided to concentrate on painting.
He also created images of the night in dark tones with the moon's pale cool light.
[1] Many of his works were in small formats but he also produced larger paintings, as in his wall decorations for Copenhagen's De Danske Spritfabrikker (1956) and for Askov Højskole (1957).