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 artists have joined the scientists to achieve an understanding of man in all his physical, mental and spiritual complexity. Such interchanges might lead, he would hope, to a new and important school of thinkers he would designate as biophilosophers." Salk told his cousin, Joel Kassiday, at a meeting of the Congressional Clearinghouse on the Future on Capitol Hill in 1984 that he was optimistic that ways to prevent most human and animal diseases would eventually be developed. Salk said people must be prepared to take prudent risks, since "a risk-free society would become a dead-end society" without progress. Salk describes