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Hy Ruchlis

Hy Ruchlis (1913-1992) was a physicist, teacher, and writer known for his scientific books aimed at younger readers. Ruchlis was a graduate of Brooklyn College and Columbia University, and went on to teach both at the secondary and college levels. He is the author of Clear Thinking, How Do You Know It's True? and How A Rock Came To Be In A Fence On A Road Near A Town.