Mikhail Mil (1909–1970), Russia – Mi-series helicopter aircraft, including Mil Mi-8 (the world's most-produced helicopter) and Mil Mi-12 (the world's largest helicopter) Franz Ziehl (1857–1926), together with Friedrich Neelsen (1854–1898), Germany – Ziehl–Neelsen stain (histology)

Petro Prokopovych (1775–1850), Russian Empire – early beehive frame, queen excluder and other beekeeping novelties kya - 60 kya: Oldest arrows (and evidence of bow-and-arrow technology), and oldest needle, at Sibudu, South Africa [39] [40] [41] [42] [43] The inventors of optical coherence tomography (OCT) were among those recognised by President Joe Biden in a ceremony at the White House on October 24.Alexander Graham Bell's Telephone patent drawing, from 1876. Bell's telephone was the first apparatus to transmit human speech via machine. (Image credit: Public domain) Aleksandr Porokhovschikov (1892–1941), Russia – Vezdekhod (the first prototype tank, or tankette, and the first caterpillar amphibious ATV) Keslassy, Elsa (11 September 2020). "Marion Cotillard, Matt Berry Join Daisy Ridley For 'The Inventor' by 'Ratatouille' Scribe (EXCLUSIVE)". Variety. Archived from the original on 24 March 2022 . Retrieved 8 February 2023.

Aurel Persu (1890–1977), Romania – first aerodynamic car, aluminum body with wheels included under the body, 1922 Lowry, Brian (March 18, 2019). " 'The Inventor' charts rise and epic fall of Theranos". CNN . Retrieved October 17, 2021. Yoshiro Nakamatsu (born 1928), Japan – "PyonPyon" spring shoes, digital watch, CinemaScope, armchair "Cerebrex", sauce pump, taxicab meter Sheikh Muszaphar Shukor (born 1972), Malaysia – cell growth in outer space, crystallization of proteins and microbes in spaceThe enormous excitement surrounding the internet led to a massive boom in new technology shares between 1998 and 2000. This became known as the ‘dotcom bubble’.