Suggerimenti

3. inventor of the electric battery and the discoverer of methane
7. credited with many design firsts and whose aircraft broke many aviation records
8. discovered the Chun King line of canned Chinese food products
10. inventor of the ice-resurfacing machine
16. invented the barometer
17. inventor of whirlpool
18. inventor of the piano
19. Polymath of the High Renaissance / one of the most famous artists who painted the Mona Lisa
20. credited for inventing the voice-communication apparatus that several sources credit as the first telephone

1. creator of the world's first nuclear reactor, the Chicago Pile-1
2. animator and storyboard artist who co-founded the productions company Hanna-Barbera Productions
4. innovative process for preparing coffee (first espresso machine)
5. inventor of the pan telegraph and the forerunner of the present day fax machine
6. best known for the philosophy of education that bears her name, and her writing on scientific pedagogy
9. inventor of the radio
11. discovered animal electricity
12. a polymath who was considered a physician, biologist, physicist, chemist, astrologer, astronomer, philosopher, writer, and gambler.
13. Roman Catholic who founded the Missionary Sisters of the Sacred Heart of Jesus
14. inventor of automotive industry to inspire Radio Flyers steel wagons
15. called the "father of observational astronomy", the "father of modern physics", the "father of the scientific method", and the "father of modern science"