Last seen in:
- Thomas Joseph - King Feature Syndicate - Aug 31 2024
- Thomas Joseph - King Feature Syndicate - Aug 30 2024
- Eugene Sheffer - King Feature Syndicate - Aug 26 2024
- Thomas Joseph - King Feature Syndicate - Apr 15 2024
- L.A. Times Daily - Nov 14 2021
- Eugene Sheffer - King Feature Syndicate - Oct 27 2021
- The Telegraph - QUICK CROSSWORD NO: 29,752 - Aug 12 2021
- Thomas Joseph - King Feature Syndicate - Mar 19 2020
- Thomas Joseph - King Feature Syndicate - Jun 5 2019
- Thomas Joseph - King Feature Syndicate - Jun 23 2018
Related Clues:
- Purest article devised by a scientist
- Feel sorry about former leading scientist
- Chemist finding europium in foreign parts
- French chemist late on his way back
- A purest form of milk results from his work
- French chemist, 1822-95
- Pioneer of vaccination
- Pioneer immunologist
- Eponymous microbiologist Louis
- Jonas who tested the polio vaccine on himself
- Vaccine pioneer Jonas
- ''The Shot Felt 'Round the World'' subject
- Notable March of Dimes grantee
- 54-Across vaccine developer
- Bruce who keeps up with the Kardashians