Last seen in:
- Eugene Sheffer - King Feature Syndicate - Feb 7 2024
- Eugene Sheffer - King Feature Syndicate - Feb 27 2021
- Universal - Aug 11 2020
- L.A. Times Daily - Jul 29 2019
- The Washington Post - Jul 29 2019
- USA Today - May 28 2019
- The Washington Post - Nov 2 2018
- L.A. Times Daily - Nov 2 2018
- Universal - Aug 25 2018
- The Washington Post - Nov 22 2017
Related Clues:
- Polio conquerer
- Eminent virologist
- He got polio?
- He developed the vaccine against polio
- He developed the polio vaccine
- Jonas who developed a polio vaccine
- Polio-fighting doctor
- La Jolla's ___ Institute for Biological Studies
- Albert elected to the Polio Hall of Fame in 1958
- Polio pioneer Jonas
- MD in 1955 headlines
- Jonas who tested the polio vaccine on himself
- Vaccine pioneer Jonas
- ''The Shot Felt 'Round the World'' subject
- Notable March of Dimes grantee