Jan Oskar Sverre Lucien Henri Guillou is a Swedish author and journalist. Among his books are a series of spy fiction novels about a spy named Carl Hamilton, and a trilogy of historical fiction novels about a Knight Templar, Arn Magnusson. He is the owner of one of the largest publishing companies in Sweden, Piratf�rlaget, together with Liza Marklund and his wife, publisher Ann-Marie Skarp. Guillou's fame in Sweden was established during his time as an investigative journalist. In 1973, he and co-reporter Peter Bratt exposed a secret intelligence organization in Sweden, Informationsbyr�n. He is still active within journalism as a column writer for the Swedish evening tabloid Aftonbladet. In October 2009, the tabloid Expressen accused Guillou of having been active as an agent of the Soviet spy organization KGB between 1967 and 1972. Jan Guillou confirmed he had a series of contacts with KGB representatives during this period, he also admits to having received payments from KGB, but maintains that his purpose was to collect information for his journalistic work. 

January 17th, 1944 in Södertälje (Age 80)