Craig Reynolds is an unaffiliated researcher and retired software developer. He is best known for the “boids” model of flocking and similar collective motion. His research publications have been cited more than 18,000 times. He worked on feature films (TRON, 1982) and on various shorts (The Juggler (1981), Stanley and Stella in: Breaking the Ice (1987), Ductile Flow (1990)). He developed software tools for animation production, games, and simulation-based automotive testing. In 1998 he won a Scientific And Engineering Award presented by The Academy of Motion Picture Arts and Sciences for pioneering contributions to the development of 3D computer animation.