[5] She graduated from Notre Dame College in Cleveland, Ohio in 1965 with a BS in chemistry.
[7] She was the Battelle postdoctoral fellow in mathematical physics at the Institut de Physique Theorique in Geneva Switzerland from 1969 to 1971.
In 1995 she was the Flora Stone Mather Visiting Professor at Case Western Reserve University in her hometown of Cleveland, Ohio.
[9][10] In 1981 she gave the first proof that an atom can have only a maximum number of electrons bound to it regardless of the charge of its nucleus.
[15] Throughout her career, Ruskai was an advocate for women in mathematics and published 15 articles on gender and science.