How Old Is Mary F. Lyon? Mary F. Lyon Birthday
Mary F. Lyon was born on May 15, 1925 and is 98 years old now.
Birthday: May 15, 1925
How Old - Age: 98
Mary F. Lyon Death Fact Check
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Mary F. Lyon - Biography
Mary Frances Lyon FRS (15 May 1925 – 25 December 2014) was an English geneticist, who is best known for her discovery of X-chromosome inactivation, an important biological phenomenon.
