Edward B. Lewis


Edward B. Lewis

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Edward B. Lewis
The Nobel Prize in Physiology or Medicine 1995

Born: 20 May 1918, Wilkes-Barre, PA, USA

Died: 21 July 2004, Pasadena, CA, USA

Affiliation at the time of the award: California Institute of Technology (Caltech), Pasadena, CA, USA

Prize motivation: “for their discoveries concerning the genetic control of early embryonic development”

Prize share: 1/3


Among more advanced organisms, life begins when a fertilized egg divides and forms new cells which, in turn, also divide. Initially these cells appear identical, but in time, they begin to change. Some cells go to make up the heart, others nerve paths, and still others strands of hair, for example. Genes regulate this process. Edward Lewis studied fruit flies and in the 1970s he discovered, among other things, that the positions of the flies' bodily organs matched the corresponding genes' positions on the chromosome.

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