1851-1900
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Inventors and Inventions: 1851 to 1900.
Nikola Tesla (1856-1943) was a Serbian-American physicist, electrical engineer, and inventor who held 111 patents.
Leo Hendrik Baekeland (1863 - 1944) was an American chemist who invented Velox photographic paper and Bakelite.
Linus Yale Jr. (1821-1868) was an American mechanical engineer who developed the cylinder pin-tumbler lock.
In 1877, Thomas Alva Edison invented the first machine to record and play back sounds (the phonograph/record player).
Madam C. J. Walker (1867-1919) was an African-American inventor, businesswoman, and self-made millionaire.
Cyrus Hall McCormick (February 15, 1809 - May 13, 1884) was an American inventor who developed the mechanical reaper.
Garrett Augustus Morgan (March 4, 1877 - August 27, 1963), was an African-American inventor and businessman.
Color in this picture of Ada Lovelace (1815-1852), known as the first computer programmer.
Robert Goddard (1882-1945) was an American physicist and inventor who is known as the father of modern rocketry.
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