When the polio vaccine had been proven safe and effective, Jonas Salk was asked who owned the patent.

“Well … the people, I would say,” he responded. “There is no patent. Could you patent the sun?” https://t.co/VlWs7Sxigk https://t.co/Rkui4OCzRu

— Kevin M. Kruse (@KevinMKruse) February 27, 2020