Kurt Lewin from a leader. Members are given choices and collectively decide the division of labor. Praise and criticism in such an environment are objective, fact minded and given by a group member without necessarily having participated extensively in the actual work. Laissez-faire environments give freedom to the group for policy determination without any participation from the leader. The leader remains uninvolved in work decisions unless asked, does not participate in the division of labor, and very infrequently gives praise. An early model of change developed by Lewin described change as a three-stage process. The first stage he called "unfreezing". It involved
Thomas D. Tannenbaum two older sisters; Carol Weil and Susan "Sue" Graf. Tannenbaum, most noted for his television work, started out in film. He began working on staff for Metro-Goldwyn-Mayer in 1952. He worked on several films for the studio. His most noted film for the studio was "Raintree County" which starred Montgomery Clift and Elizabeth Taylor. In the late 1950s, Tannenbaum started working with famed producer David Gerber and his Famous Artists Agency television division. From there he went to Seven Arts Productions where he was the associate producer of the movie "Rampage" starring Robert Mitchum. He moved from Seven Arts to