Παραδείγματα από το σώμα κειμένου για Jonas Salk
1. Polio has effectively been wiped out since Jonas Salk invented and tested the polio vaccine in 1'55.
2. At its peak, polio paralyzed and killed up to half a million people every year, before Jonas Salk discovered a vaccine in 1'54.
3. Not so at Phoebe Hearst Elementary, where the spirit of true innovation – think Thomas Edison, Samuel Morse, George Washington Carver, or Jonas Salk – was in abundance.
4. They should remember the spirit of Jonas Salk, who invented the polio vaccine but refused to patent it because it would be like patenting the Sun.
5. "The parents of Colin Powell would probably not have made it, or Jonas Salk or Bob Hope or plenty of others I consider great Americans." "In the community where I‘m from, it‘s Cuban Americans who came to where the main commercial strip was boarded up and they revitalized area, contributed taxes, opened new businesses, generated jobs.