Italian

1564-1642

Built telescope

Explained how objects move, why they stop, and how fast they go

English physicist and mathematician

1643-1727

theory of gravity

developed three laws of motion

French engineer & physicist

1736-1806

Famous for theories about electricity & magnetism

English chemist & physicist

1731-1810

discovered hydrogen gas

gave size of earth and precise measurement earth's gravity

Italian

1745-1827

invented 1st battery

"volt" (measure of electricity) named for him

French, 1775-1836

worked on electricity and magnetism

discovered attraction between 2 wires carrying electricity in same direction

amount of current (amp) named for him

German, 1857-1894

demonstrated that electromagnetic waves could be sent from one device and received by another

German-born

1879-1955

His famous theory was on relativity