Though some books, including Kurt Beyer’s Grace Hopper and the Invention of the Information Age, reported that Hopper was the first woman to earn a Yale PhD in mathematics, the first of ten women prior to 1934 was Charlotte Cynthia Barnum (1860—1934). Murray, Margaret A. M. (May/June 2010). «The first lady of math?». Yale Alumni Magazine. Vol. 73, no. 5. էջեր 5–6. ISSN9750-409x. {{cite news}}: Check |issn= value (օգնություն)
