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The Wright Brothers built and flew the first successful airplane in 1903. Their plane "Flyer" was driven by a light gasoline engine and flew a distance of 2625 feet.

George Eastman came up with a lightweight roll-film Brownie camera.

The Lumiere brothers invented the first film projector. In 1904 they came up with color plates capable of producing a color transparency.

Leo Baekeland developed the first synthetic plastic in 1909 in Belgium. It was called "Bakelite" and it was used to make things from pitchers to radios.

Mary Phelps Jacob designed the first bra made of two handkerchiefs with straps.

US Car manufacturer Henry Ford started mass production with the invention of the moving assembly line.

Marie Curie researched radioactivity with the discovery of the elements polonium and radium.

In 1916, Albert Einstein revolutionized the laws of physics with his special and general theories of relativity.

Harry Brearley mixed steel and chromium to produce an alloy that did not rust. The became stainless steel.

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