Roger Birkman, American psychologist and author (b. 1919)
Roger Winfred Birkman (February 1, 1919 – March 26, 2014) was an American organizational psychologist. He was the creator of The Birkman Method, a workplace psychological assessment. Birkman received his Ph.D. in psychology in 1961 from the University of Texas at Austin. He was the founder and chairman of the board of Birkman International, Inc.