David Hagberg was born and raised in Duluth, Minnesota. After graduating from high school, he joined the Air Force and was trained as a cryptographer. During his career, he was stationed in Greenland and in Germany. He studied physics, mathematics and philosophy at the University of Maryland, Overseas Division and the University of Wisconsin. He worked as a cub reporter on the Duluth Herald and News-Tribune and as a news desk editor for the Associated Press. His first novel, Twister, was published in 1975. He has written over 70 suspense novels including The White House, Joshua's Hammer, Desert Fire, and High Flight. He won three Mystery Scene Magazine Best American Mystery awards for… Countdown, Crossfire, and Critical Mass.