Date of Birth: 
About John Katzenellenbogen
- John Albert Katzenellenbogen (born May 10, 1944) is an American Professor of Chemistry at the University of Illinois at Urbana-Champaign.
- He studies the development of novel agents for the treatment of hormone-responsive and non-responsive breast and prostate cancers and the design of estrogens and antiestrogens that have a favorable balance of beneficial versus detrimental effects.
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