In Paris, De la Cuadra met the Swiss engineer Marc Birkigt ( 1878 – 1953 ) and hired him to work for the company in Spain.

With the start of World War I, Hispano-Suiza turned to the design and production of aircraft engines under the direction of Marc Birkigt.

Marc Birkigt

ca: Marc Birkigt

cs: Marc Birkigt

de: Marc Birkigt

es: Marc Birkigt

fr: Marc Birkigt

pt: Marc Birkigt

The Hispano-Suiza 8 — a V8 engine, designed by Marc Birkigt in the Allied camp, and the series of Mercedes inline-six aviation engines, culminating in the Mercedes D. III for the German Empire, both used rotary shaft-driven single overhead camshaft valvetrain systems, and were among the most prominent aviation powerplants of the First World War era.

In 1933, the Swiss chief engineer of Hispano-Suiza, Marc Birkigt, began work on the design of an entirely new weapon to replace the Oerlikon contract, based on a locking mechanism patented in 1919 by the American machine-gun designer Carl Swebilius.

In the 1930s, Marc Birkigt designed an entirely new gas-operated cannon with a locked bolt, the HS. 404, which became one of the best 20 mm weapons of the war.

Prominent leaders include co-founders Lucien Febvre ( 1878 – 1956 ) and Marc Bloch ( 1886 – 1944 ).

Holmium ( Holmia, Latin name for Stockholm ) was discovered by Marc Delafontaine and Jacques-Louis Soret in 1878 who noticed the aberrant spectrographic absorption bands of the then-unknown element ( they called it " Element X ").

Marc Delafontaine ( Born at Celigny, 1837 – 1911 ) was a Swiss chemist who in 1878, along with Jacques-Louis Soret, first observed holmium spectroscopically.

Jacques-Louis Soret ( 30 June 1827 – 13 May 1890 ) was a Swiss chemist who in 1878, along with Marc Delafontaine, first observed holmium spectroscopically.

Benjamin Hawes was husband to Sophia Macnamara Brunel ( 1802 – 1878 ); daughter of the famous engineer Marc Isambard Brunel and sister to Isambard Kingdom Brunel.

Marc Athanase Parfait Œillet des Murs ( Paris, 18 April 1804 – Nogent-le-Rotrou, 25 February 1878 ) was a French amateur ornithologist and local politician and historian.

* 1962 – Marc Lavoine, French singer and actor

* 1977 – Marc Denis, Canadian ice hockey player

Cofounder Marc Bloch ( 1886 – 1944 ) was a quintessential modernist who studied at the elite École Normale Supérieure, and in Germany, serving as a professor at the University of Strasbourg until he was called to the Sorbonne in Paris in 1936 as professor of economic history.

* 1947 – Marc Messier, Canadian actor

* 1959 – Marc Sergeant, Belgian cyclist

* 1985 – Marc Rzepczynski, American baseball player

* 1955 – Marc Bureau, Canadian politician

* 1965 – Marc Bergevin, Canadian ice hockey player and manager

* Jewett, Aubrey W. and Marc D. Turetzky ; " Stability and Change in President Clinton's Foreign Policy Beliefs, 1993 – 96 " Presidential Studies Quarterly, Vol.

* 2005 – Marc Favreau, French-Canadian humourist ( b. 1929 )

* 1989 – The École Polytechnique Massacre ( or Montreal Massacre ): Marc Lépine, an anti-feminist gunman, murders 14 young women at the École Polytechnique in Montreal.

* 1900 – Marc Allégret, French film director and screenwriter ( d. 1973 )

* Marc Mann – guitars, keyboards, backing vocals

* 1949 – Marc Garneau, Canadian astronaut and politician

* 1969 – Marc Wauters, Belgian cyclist

* 1982 – Marc Kennedy, Canadian Curler

* 1966 – Marc Fortier, Canadian ice hockey player

* 1978 – Marc Hynes, British racing driver

* 1958 – Marc Emery, Canadian cannabis activist

* 1961 – Marc Crawford, Canadian ice hockey player and coach

* 1958 – Michel Marc Bouchard, Canadian playwright

* 1986 – Marc Torrejón, Spanish footballer

* Marc Mortier, first CEO ( 1986 – 2002 ) of Flanders Expo ( 1948 – 2004 )