Self - Developer of Salk Polio Vaccine, Founder, Salk Institute (archive footage)
Self - Physician, Son of Dr. Jonas Salk
Self - Author and Pulitzer Prize Winner
Self - Senior Scientist, Salk Lab
Self
Self - Lab Technician, University of Pittsburgh
Self - CEO, The Watson Institute
Physical Therapist - The Watson Home
Self - Physician
Self - Polio Survivor
Self - Polio Pioneer
Self (as Paul A. Offit)
Self - Deputy Director of Vaccine Delivery, Bill & Melinda Gates Foundation