The Inventors

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Christoph Gerber (1942–), with Calvin Quate (1923–2019), and with Gerd Binnig (1947–), Germany/U.S./Switzerland – Atomic force microscope Micro Macro 1 9 7 8 (Australia) 12 x 30 minute episodes Noel Ferrier compered this weekly visual quiz game show -… Miriam Benjamin (1861–1947), Washington, D.C. – Gong and signal chair (adopted by House of Representatives and precursor to flight attendant signal system) Franz Joseph Emil Fischer (1877–1947), together with Hans Tropsch (1889–1935), Germany – Fischer–Tropsch process (refinery process) R. G. LeTourneau (1888–1969), U.S. – electric wheel, motor scraper, mobile oil drilling platform, bulldozer, cable control unit for scrapers

The first known form of condom (from a goat bladder) was used in Egypt around 3000 B.C. In 1844 AD, Charles Goodyear patented the vulcanization of rubber, which led to the mass production of rubber condoms. Marcel Kiepach (1894–1915), Croatia – dynamo, maritime compass that indicates north regardless of the presence of iron or magnetic forces Pyotr Kapitsa (1894–1984), Russia – first ultrastrong magnetic field creating techniques, basic low-temperature physics inventions

kya – 30 kya: Ground stone tools – fragments of an axe in Australia date to 49–45 ka, more appear in Japan closer to 30 ka, and elsewhere closer to the Neolithic. [45] [46]

Alfred Perot (1863–1925), together with Charles Fabry (1867–1945), France – Fabry–Pérot interferometer (physics) Scientists Eric Swanson, David Huang, and James Fujimoto received the National Medal of Technology and Innovation. kya - 60 kya: Oldest arrows (and evidence of bow-and-arrow technology), and oldest needle, at Sibudu, South Africa [39] [40] [41] [42] [43]Heinrich Rohrer (1933–2013), together with Gerd Binnig (1947–), Switzerland/Germany – Scanning tunneling microscope

Vitaly Abalakov (1906–1986), Russia – camming devices, Abalakov thread (or V-thread), gearless ice climbing anchor Abd al-Rahman al-Sufi (Azophi) (903–986), Persia/ Iran – timekeeping astrolabe, navigational astrolabe, surveying astrolabe Paul Walden (1863–1957), Latvia/Russia/Germany – Walden inversion, Ethylammonium nitrate (the first room temperature ionic liquid)James Henry Greathead (1844–1896), South Africa – tunnel boring machine, tunnelling shield technique HBO Announces Documentary Lineup for Early 2019". Medium. February 8, 2019 . Retrieved February 8, 2019. Lisitsyn brothers, Ivan Fyodorovich and Nazar Fyodorovich, Russia – samovar (the first documented makers)