List of Famous people with last name Sorgenfrey
Died on January 6, 1995 (aged 79)
Robert Henry Sorgenfrey was an American mathematician and Professor Emeritus of Mathematics at the University of California, Los Angeles. The Sorgenfrey line and the Sorgenfrey plane are named after him; the Sorgenfrey line was the first example of a normal topological space whose product with itself is not normal.
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