Inventors and Scientists
- John E. Walker (born 1941), British chemist, winner of the 1997 Nobel Prize
- John Walker (inventor) (1781–1859), English chemist and inventor of the friction match in 1827
- John Walker (programmer) (born c. 1950), one of the designers of AutoCAD
- John Walker (natural historian) (1731–1803), Scottish naturalist
- John M. Walker (1909–1990), American physician and investment banker
- John Charles Walker (1893–1994), American agricultural scientist
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Famous quotes containing the words inventors and/or scientists:
“In America, the geography is sublime, but the men are not: the inventions are excellent, but the inventors one is sometimes ashamed of.”
—Ralph Waldo Emerson (1803–1882)
“All you of Earth are idiots!... First was your firecracker, a harmless explosive. Then your hand grenade. They begin to kill your own people a few at a time. Then the bomb. Then a larger bomb, many people are killed at one time. Then your scientists stumbled upon the atom bomb—split the atom. Then the hydrogen bomb, where you actually explode the air itself.”
—Edward D. Wood, Jr. (1922–1978)