Clue | Source | Date |
---|---|---|
Polio vaccine developer who died on June 23, 1995, at the age of 80 | ||
Vaccine pioneer | Thomas Joseph | 23 Jun 2018 |
Vaccine pioneer | Eugene Sheffer | 07 May 2018 |
Polio vaccine developer | ||
Eponymous bacteriologist | ||
Eponymous bacteriologist | ||
Scientist in the news, 4/55 |