Encarta: Salk, Jonas Encyclopedia article provides short biography and photograph. http://encarta.msn.com/find/Concise.asp?z=1&pg=2&ti=761577444
A Science Odyssey: Paralyzing Polio Brief history of Salk's efforts to stop polio; written in comic-book style. From PBS. http://www.pbs.org/wgbh/aso/ontheedge/polio/
Jonas Salk M.D.: American Physician and Research Scientist Short biography of the doctor who contributed to the world's understanding of influenza and infectious diseases. http://www2.lucidcafe.com/lucidcafe/library/95oct/jesalk.html
People and Discoveries: Jonas Salk Short biographical profile and photograph of Salk at work. From PBS. http://www.pbs.org/wgbh/aso/databank/entries/bmsalk.html
Scientists and Thinkers: Jonas Salk Article tells about the virologist and his achievements. Includes short quiz, timeline, photographs. and sound clip. From Time Magazine. http://www.time.com/time/time100/scientist/profile/salk.html