Conversation so far:
How did Jonas Salk get involved in Polio research?
In 1948, Harry Weaver asked Jonas Salk to find out if there were more types of polio than the three then known, offering additional space, equipment and researchers.
Where was Jonas Salk's lab located?
In 1947, Jonas Salk became ambitious for his own lab and was granted one at the University of Pittsburgh School of Medicine.
Did anyone assist Jonas Salk with his research?
Researchers including Julius Youngner, Byron Bennett, L. James Lewis, and secretary Lorraine Friedman joined Jonas Salk's team.

Question: How did he fund his research?
Self-contained rewrite: How did Jonas Salk fund his research?