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Maslow

[măz′lō]Abraham 1908-1970
  1. American psychologist and a founder of humanistic psychology who developed a model of human motivation in which a higher need is expressed only after lower needs are fulfilled.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.