Annie Dale Biddle Andrews
Encyclopedia
Annie Dale Biddle Andrews (December 13, 1885 - April 14, 1940), born in Hanford, California
Hanford, California
Hanford is an important commercial and cultural center in the south central San Joaquin Valley and is the county seat of Kings County, California. It is the principal city of the Hanford-Corcoran, California Metropolitan Statistical Area , which encompasses all of Kings County, including the cities...

 to Samuel E. Biddle and A. A. Biddle, was the first woman to earn a Ph. D. in mathematics from the University of California, Berkeley
University of California, Berkeley
The University of California, Berkeley , is a teaching and research university established in 1868 and located in Berkeley, California, USA...

.

In 1911, she wrote her thesis, Constructive theory of the unicursal plane quartic by synthetic methods, under her maiden name, Annie Dale Biddle; it was published by the university in 1912. Her advisors were Derrick Norman Lehmer
Derrick Norman Lehmer
Derrick Norman Lehmer was an American mathematician and number theorist....

 and Mellen Haskell . She was a math instructor at the University of Washington
University of Washington
University of Washington is a public research university, founded in 1861 in Seattle, Washington, United States. The UW is the largest university in the Northwest and the oldest public university on the West Coast. The university has three campuses, with its largest campus in the University...

 from 1911 to 1912, after which she married Wilhelm Samuel Andrews. She worked as a math instructor at the University of California
University of California
The University of California is a public university system in the U.S. state of California. Under the California Master Plan for Higher Education, the University of California is a part of the state's three-tier public higher education system, which also includes the California State University...

between 1915 and 1932 and published a paper in the Journal of the American Mathematical Society around 1933.
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