Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Karl Barry Sharpless (born 28 April 1941) is an American chemist known for his work on stereoselective reactions. Sharpless was born in Philadelphia. He graduated from Friends' Central School in 1959. He continued his studies at Dartmouth College (1963) and earned his Ph.D from Stanford University in 1968. He continued post-doctoral work at Stanford University and Harvard University. He holds honorary degree of Technical University of Munich. Sharpless has been a professor at the Massachusetts Institute of Technology and Stanford University. He currently holds the W. M. Keck professorship in chemistry at The Scripps Research Institute.