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Gladys Mae West is an African American mathematician known for her contributions to the mathematical modeling of the shape of the Earth, and her work on the development of the satellite geodesy models that were eventually incorporated into the Global Positioning System. Wikipedia
Born: 1930 (age 89 years), Sutherland, Virginia, United States
Known for: Satellite geodesy
Russel and Sampson blackmen who invented the mobile phone – inventors
His patents included a binder system for propellants and explosives and a case bonding system for cast composite propellants. Both inventions are related to solid rocket motors.
On July 6, 1971, he was awarded a patent, with George H. Miley, for a gamma-electrical cell, a device that produces a high voltage from radiation sources, primarily gamma radiation, with proposed goals of generating auxiliary power from the shielding of a nuclear reactor. Additionally, the patent cites the cell’s function as a detector with self-power and construction cost advantages over previous detectors.
Henry Thomas Sampson, Jr. born in Jackson, Mississippi, in 1934, died June 4, 2015 in Stockton, CA was an African-American inventor, known for creating the gamma-electric cell–a device with the main goal of generating auxiliary power from the shielding of a nuclear reactor.
A black man invented the cellphone
Born in Jackson, Mississippi, Henry T. Sampson received a Bachelor of Science degree from Purdue University in 1956. He went on to the University of California, Los Angeles where he graduated with an MS degree in engineering in 1961; University of Illinois Urbana-Champaign, MS in Nuclear Engineering in 1965, and a PHD in 1967.
On 6 July 1971, Dr. Sampson invented the “gamma-electric cell”, which pertains to Nuclear Reactor use. This invention produces stable high-voltage output and current to detect radiation in the ground. The gamma-electric cell made it possible to send and receive audio signals via radio waves without wires; therefore, Henry Sampson has also been credited as the inventor of a cell phone, which became available in 1983.
Henry T. Sampson worked as a research Chemical Engineer at the US Naval Weapons Center, China Lake, California, from 1956 to 1961. He then moved on to the Aerospace Corp, El Segundo, California. His titles include: Project Engineer, 1967-81, director of Planning and Operations Directorate of Space Test Program, 1981-, and Co-inventor of gamma-electric cell. He holds patents related to solid rocket motors and conversion of nuclear energy into electricity. He also pioneered a study of internal ballistics of solid rocket motors using high-speed photography.
In addition, Henry Sampson was a producer of documentary films on early black filmmakers and films and a technical consultant to Historical Black Colleges and Universities Program.
Meet Henry T. Sampson — The Man Who Created the First Cell Phone Back in 1971
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