Paul Lorck Eidem (22 October 1909 – 24 September 1992) was a Norwegian writer and illustrator. He was born in Horten, in Vestfold county, Norway. He grew up on the island Bastøy, where his stepfather was the warden of the special school for boys. He died in late 1992. In later years, his books have been used as sources on the cultural history of the day, especially slang.