American Women Scientists: 23 Inspiring Biographies, 1900–2000 - Moira Davison Reynolds - Google Books

https://books.google.de/books?id=xkaLjEuHPq8C&pg=PA5&lpg=PA5&dq=cornelia+clapp&source=bl&ots=AudLyPZrTK&sig=tcj4wEDfoJMbtnYFnYhR

For most of the 20th century, American women had little encouragement to become scientists. In 1906, there were only 75 female scientists employed by academic institutions in the entire country. Despite considerable barriers, determined women have,…