Crossword clues for the word: JONASSALK The word JONASSALK has appeared as an answer to at least 3 crossword clues on different crossword puzzles. Crossword clues for JONASSALK Showing 1 to 3 of 3 results Clue(s) Eponymous bacteriologist Noted immunologist Virologist who developed the first successful polio vaccine and was awarded the Presidential Medal of Freedom by Jimmy Carter in 1977 (2 wds.)