Per Wahlöö

Per Fredrik Wahlöö (born 5 August 1926 – died 22 June 1975), in English translations often identified as Peter Wahloo, was a Swedish author. He is perhaps best known for the collaborative work with his partner Maj Sjöwall on a series of ten novels titled The Story of a Crime, about the exploits of Martin Beck, a police detective in Stockholm, published between 1965 and 1975. Per Wahlöö's debut short story from 1949, Tjugo år efteråt, was originally published under the pseudonym Edner P Bech.