The perception that scientists are intelligent white men who are socially inept, absent-minded nerds seems to prevail among students at all levels, from elementary school to college. While media may, by chance or choice, promote this image, it is unfortunately a realistic one. This stereotypical image of scientists as white men has, in part, discouraged many women from pursuing any interest they may have in a science career because they do not want to (and cannot) be the people so often portrayed in the media. In a survey conducted by the authors on pre-service biology teachers that requires them to name prominent female and male biologists, they found that most could name only one female, but well over 20 male biologists. This paper aims to sensitize teachers to their perception of scientists. It also highlights the lives and contributions of four female Nobel Prize winners: (1) Gerty Radnitz Cori; (2) Gertrude Belle Elion; (3) Barbara McClintock; and (4) Rosalyn Sussman Yalow; and summarizes the contribution of other prominent female biologists. Teachers can use these outstanding female biologists to inspire their students.