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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 ...
Inv / Pat: The average number of inventors listed on the inventor's most recent 50 patents as of September 7, 2021 or on the date the inventor was added to the table if later. "NA" signifies the inventor was active prior to digital records. Pat Residence: The country of inventor's residence listed in their most recent patent issuance.
1876: Alexander Graham Bell has a patent granted for the telephone. However, other inventors before Bell had worked on the development of the telephone and the invention had several pioneers. [430] 1877: Thomas Edison invents the first working phonograph. [431] 1878: Henry Fleuss is granted a patent for the first practical rebreather. [432]
Roger Bacon (1214–1292), magnifying glass; Edward Barber (1969– ), London 2012 Olympic Torch; Julia Barfield (1952– ), architect who contributed to the design of the London Eye and the i360 observation tower in Brighton, England
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 ...
[10] [4] What made her invention unique, was that it was a form of "zone heating" where temperature can be moderated in different parts of a building. [11] [12] [13] The design poses health and safety risks as it made certain appliances like the oven more flammable and unsafe to touch. The regulation of the heat flow also posed a few security ...
George Edward Alcorn Jr. (March 22, 1940 – June 19, 2024) was an American physicist, engineer, inventor, and professor.He taught at Howard University and the University of the District of Columbia, and worked primarily for IBM and NASA.
A staple remover allows for the quick removal of a staple from a material without causing damage. The form of destapler described was invented by William G. Pankonin of Chicago, Illinois. A patent application for the same was filed on December 12, 1932, granted on March 3, 1936, and published on April 3, 1936, as a patent. [248] 1932 Radio ...