Obituary: Owen J. Sexton, professor emeritus of biology, 91

Obituary: Owen J. Sexton, professor emeritus of biology, 91

Owen J. Sexton, professor emeritus of biology in Arts & Sciences at Washington University in St. Louis, died May 31 at his home in St. Louis County from complications of dementia, which he had battled for years. He was 91. Sexton was a key advocate for the purchase of the 2,000-acre Tyson Research Center property in 1963.
Obituary: Ernst K. Zinner, astrophysicist and cosmochemist, 78

Obituary: Ernst K. Zinner, astrophysicist and cosmochemist, 78

Ernst K. Zinner, PhD, research professor emeritus of physics and earth and planetary sciences in Arts & Sciences at Washington University in St. Louis, died Thursday, July 30, of medical complications of mantle cell lymphoma. Among many other accomplishments, in 1987 Zinner identified for the first time material in the laboratory that predated the formation of the solar system 4.6 billion years ago.
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