Gretchen Sibley, Date of Birth, Date of Death
TweetGretchen Sibley
American zoologist
Date of Birth: 14-May-1914
Date of Death: 30-Nov-2013
Profession: zoologist
Nationality: United States
Zodiac Sign: Taurus 
About Gretchen Sibley
- Gretchen Sibley (May 14, 1914 – November 30, 2013) was a longtime science educator, creator of the docent program at the Los Angeles County Museum of Natural History, and first executive director of the California State Science Fair.
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