We still live in a world in which a significant fraction of people, including women, believe that a woman belongs and wants to belong exclusively in the home; that a woman should not aspire to achieve more than her male counterparts and, particularly, not more than her husband.

They told me that, as a woman, I'd never get into graduate school in physics, so they got me a job as a secretary at the College of Physicians and Surgeons and promised that, if I were a good girl, I would take courses there.

The only difference between men and women in science is that the women have the babies. This makes it more difficult for women in science but should not be seen as a barrier, for it is merely another challenge to be overcome.

I was an early reader, reading even before kindergarten, and since we did not have books in my home, my older brother, Alexander, was responsible for our trip every week to the public library to exchange books already read for new ones to be read.