@BillW,
13 Inventors whose ideas changed the World:
1. Johannes Gutenberg (movable type printing press)
2. Albert Einstein - even though he helped create/define quantum mechanics, he doubted it had any practical application in the real world. He also developed the Theory of Relativity.
3. The telescope--The credit usually goes to Hans Lippershey, a Dutch lens maker, in 1608. Soon after, Galileo read about it and made his own, a more powerful one. He then observed the moons of Jupiter and confirmed Copernicus' hypothesis of a heliocentric solar system.
4. Elisha Graves Otis (the elevator/lift)
5. Sir Henry Bessemer - steel-making process would become the most important technique for making steel in the nineteenth century.
6. Marcellus Gilmore Edson, invented peanut paste, the earliest version of peanut butter. Suck it Gutenberg!
7. George Washington Carver - developed crop rotation in the south to grow legumes (peanuts) on soils depleted by cotton and invented adhesives, axle grease, bleach, chili sauce, creosote, dyes, flour, instant coffee, shoe polish, shaving cream, vanishing cream, wood stains and fillers, insulating board, linoleum, meat tenderizer, metal polish, milk flakes, soil conditioner and Worcestershire sauce. In all, he developed 300 products from peanuts and 118 from sweet potatoes - just to mention a few.
8. Archimedes - invented the 'Archimedes Screw', a type of pump
9. Muhammad ibn Musa al-Khwarizmi - father of algebra and other higher math.
10. Linear perspective is thought to have been devised about 1415 by Italian Renaissance architect Filippo Brunelleschi and later documented by architect and writer Leon Battista Alberti in 1435.
11. Nicolas Appert - invented the canning of food c1809
12. Thomas Hancock - process of vulcanization of rubber.
13. Stephanie Kwolek - invented Kevlar, now used in aerospace engineering, body armor, bulletproof vests, car brakes, boats &c, &c, &c
Would another able2knower choose us a new topic please?