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Heron (c. 10–70), Roman Egypt – usually credited with invention of the aeolipile, although it may have been described a century earlier; John Herschel (1792–1871), UK – photographic fixer (hypo), actinometer; Harry Houdini (1874–1926) U.S. – flight time illusion; Heinrich Hertz (1857–1894), Germany – radio telegraphy ...
The 100 known most prolific inventors based on worldwide utility patents are shown in the following table. While in many cases this is the number of utility patents granted by the United States Patent and Trademark Office, it may include utility patents granted by other countries, as noted by the source references for an inventor.
Finally, various rankings were re-ordered, although no one listed in the top ten changed their position. [3] The book was first published in 1978 as imprint from "Hart Publishing Company". [1] [2] According to the Calgary Herald, at least 60,000 copies were sold. [12] The book has since been translated into many languages. [13]
Public Domain. Henry Ford is known for many things — the most prominent being mass-manufactured cars and paying workers respectable wages. But his first automobile, made in 1896, was powered by ...
Walk down Reader's Digest memory lane with these quotes from famous people throughout the decades. The post 100 of the Best Quotes from Famous People appeared first on Reader's Digest.
The National Inventors Hall of Fame is an American not-for-profit organization, founded in 1973, which recognizes individual engineers and inventors who hold a U.S. patent of significant technology. As of 2020, 603 inventors have been inducted, mostly constituting historic persons from the past three centuries, but including about 100 living ...
Elijah J. McCoy (May 2, 1844 [A] – October 10, 1929) was a Canadian-American engineer of African-American descent who invented lubrication systems for steam engines. Born free on the Ontario shore of Lake Erie to parents who fled enslavement in Kentucky , he traveled to the United States as a young child when his family returned in 1847 ...
Nikola Tesla was a famous 20th century Serbian-American scientist who is most famous for designing the alternating current (AC) electricity supply system. The world-famed engineer could speak in ...