Astronomers 4 Biologists 4 Scientists 4 African American scientists 3 African Americans 3 Physicists 3 Women astronomers 3 more ... Women biologists 3 Women scientists 3 Deaf scientists 2 Deaf women 2 History 2 Inventors 2 Naturalists 2 Negers 2 Nobel Prize winners 2 Noirs américains 2 Officials and employees 2 Physiciens 2 Scientifiques noirs américains 2 Women 2 Women mathematicians 2 Women physicists 2 Adventure and adventurers 1 African American 1 African American biologists 1 African American inventors 1 African American mathematicians 1 African American women 1 African American women mathematicians 1 less ...