Saul Gellerman
SaulGellerman is a consulting psychologist who has been writing books about management issues since 1963.
His two best books are:
- MotivationAndProductivity (1963, out of print)
- MotivationInTheRealWorld (1992) ISBN 0452270235
HowPeopleWork (1998) ISBN 1567201466 is also good, but not in the same class as the two above.