Grigore Brișcu (1884 in Bârlad – 1965 in Bucharest) was a Romanian engineer and inventor.
[1] At age 19, he enrolled in the National School of Bridges and Roads in Bucharest.
[2] In 1909, Brișcu was the first engineer to begin experimenting with the cyclic variation of rotor blade pitch to ensure horizontal flight and stability in helicopters.
He invented a prototype "air-carriage" with all the features of a helicopter-like flying-machine: horizontal, vertical and lateral movement and fixed-point landing.
This was flown experimentally by the French aviator Paul Cornu, who built a prototype with an Antoinett engine.