know here all things of Polio Vaccine was invented by which scientist | Jonas Edward Stalk discovered what ?
question : Electricity was invented or discovered by whom ?
answer : The famous scientist named Jonas Edward Stalk was the inventor of Polio Vaccine in the year of –.
question : Jonas Edward Stalk invented which thing and when ?
answer : In ‘–’ year the well known scientist whose name is ‘ Jonas Edward Stalk ‘ was the inventor of Polio Vaccine.
question : when and by whom Polio Vaccine was discovered ?
answer : Polio Vaccine was the discovery of Jonas Edward Stalk which was discovered in – year.
so in short we can say –
invention : Polio Vaccine
inventor : Jonas Edward Stalk
year : –
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