Karl Stig-Erland Larsson was born in Skelleftehamn, Sweden. He was a journalist and writer. He founded the Swedish Expo Foundation, established to counteract the growth of extreme right and white power-culture in schools and among young people. He also became the editor of Expo, the foundation’s magazine. Larsson died of a heart attack. He is the creator of the 'Millennium Mystery' series featuring Lisbeth Salander and Mikael Blomkvist, a computer hacker and a journalist. See also David Lagercrantz.