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:
“A striking feature of moral and political argument in the modern world is the extent to which it is innovators, radicals, and revolutionaries who revive old doctrines, while their conservative and reactionary opponents are the inventors of new ones.”
—Alasdair Chalmers MacIntyre (b. 1929)
“Next week Reagan will probably announce that American scientists have discovered that the entire U.S. agricultural surplus can be compacted into a giant tomato one thousand miles across, which will be suspended above the Kremlin from a cluster of U.S. satellites flying in geosynchronous orbit. At the first sign of trouble the satellites will drop the tomato on the Kremlin, drowning the fractious Muscovites in ketchup.”
—Alexander Cockburn (b. 1941)