Download or read book The Unleashing of Evolutionary Thought written by Oscar Riddle and published by Vantage Press, Inc. This book was released on 2007 with total page 452 pages. Available in PDF, EPUB and Kindle. Book excerpt: Ranked as one of the half-dozen top biologists of the U.S. in a 1939 Time magazine cover story, Dr. Oscar Riddle was one of the world's foremost experts on the pituitary gland, biology, and evolution. Riddle's thought-provoking and explosive text examines the tension between evolutionary thought and organized religions as he traces the evolutionary process from atoms to man and society.