Julius Youngner Health Service, National Institutes of Health Cancer Institute before joining the Salk team responsible for polio vaccine. As a member of the Jonas Salk research team, Youngner contributed in the development of polio vaccine, including techniques for large scale production of poliovirus and the rapid color test measurement of polio virus in living tissue. He is considered "one of the seminal figures in contemporary virology and it's been that way for more than 50 years" by Arthur S. Levine, senior vice chancellor for the health sciences at University of Pittsburgh. Research by Youngner and colleague Samuel Salvin was also responsible
Jonas Salk of the Wisest" (1973), "World Population and Human Values: A New Reality" (1981), and "Anatomy of Reality: Merging of Intuition and Reason" (1983). Salk's last years were spent searching for a vaccine against HIV. His personal papers are stored at the University of California, San Diego Library. Salk was born in New York City on October 28, 1914. His parents, Daniel and Dora (née Press) Salk, were Ashkenazi Jewish; Daniel was born in New Jersey to eastern European immigrant parents, and Dora was born in Russia, immigrating when she was twelve. They had not received extensive formal education. He had