I. A World To Change Everyone on this earth has to be grateful to Paul Ehrlich because he made so many advances in medical research. Our life expectancy rate would still be around forty years if Ehrlich hadn’t been interested in chemistry and biology as a young boy. If Ehrlich hadn’t combined so many different chemicals, he would have never combined the chemical known as number 606. Ehrlich helped Emil von Behring find an …showed first 75 words of 944 total…

…showed last 75 words of 944 total…Science and Technology. Garden City, New York. Doubleday & Company, Inc. 1982. Pages 547-549. Coleman, Ken. ‘He Opened New Doors to the Unknown’. The World & I. Vol. 11. Pages 172. May 1, 1996. Gillispie, Charles Coulston. Dictionary of Scientific Biography Volume 3. New York. Charles Scribner’s Sons. 1980. Pages 295-303. Leyden, John G. From Nobel Prize to Courthouse Battle; Paul Ehrlich’s ‘Wonder Drug’ for Syphilis Won Him Acclaim but Also Led Critics to Hound Him. The Washington Post. Page Z16. July 27, 1997.