Ruby Puryear Hearn (b. 1940) is a biophysicist…

Ruby
Puryear Hearn
(b. 1940) is a biophysicist whose
career focuses on health policy. She has worked on various development
programmes to improve the health of at-risk children.

She has a degree in biochemistry and a PhD
in biophysics, the latter from Yale University. She served as the Senior Vice
President of the Robert Wood Johnson Foundation, the largest healthcare
philanthropy in the US, for almost 20 years. She focused on maternal and child
health, as well as AIDS and substance abuse.