In the text we talk about the diversity of backgrounds of people who become scientists. Here are some profiles of actual scientists whose lives should inspire you and your students.
African-American Scientists and Inventors Who Have Helped Change Our World
http://thechalkboard.com/Corporations/Dow/Programs/Inventors/
African American Scientists Bibliography
http://www.calacademy.org/research/library/biodiv/biblio/Africansci-update.htm
African Americans Do Science
http://www.ericse.org/bhm.html
The Faces of Science: African Americans in the Sciences
http://www.princeton.edu/~mcbrown/display/faces.html
Famous Scientists
http://www.nidlink.com/~jfromm/history.htm
Famous Scientists
http://eosweb.larc.nasa.gov/EDDOCS/people.html
4000 Years of Women in Science: Biographies
http://www.astr.ua.edu/4000WS/summary.shtml