Edward Lewis, Nobelist Who Studied Fly DNA, Dies at 86
http://www.nytimes.com/2004/07/26/obituaries/26lewis.html?pagewanted=print&position=

By JEREMY PEARCE

Dr. Edward B. Lewis, a geneticist whose landmark observations of
fruit-fly genes shed light on embryonic development in humans and was
recognized with a Nobel Prize in 1995, died July 21 at Huntington
Memorial Hospital in Pasadena, Calif. He was 86 and lived in San
Marino, Calif.

The cause was prostate cancer, said Dr. Welcome Bender, a former
student of Dr. Lewis's at the California Institute of Technology,
where he had been a member of the faculty since 1946.

For a generation of scientists and students, the symbol of Dr. Lewis's
research was a dramatic four-winged mutant of the fruit fly,
Drosophila melanogaster, which typically has only two wings. In
cross-breeding the flies and provoking genetic changes with chemicals
and radiation, he isolated the four-winged mutations and began to
identify a cluster of genes that regulate development of the insect's
body segments.

http://www.guardian.co.uk/obituaries/story/0,3604,1269661,00.html

http://news.independent.co.uk/people/obituaries/story.jsp?story=545057

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