He was born on 18th of March 1858 in Paris.He was from France. He studied in the Technical University of Munic. He was an engineer. He was 35 years old when he invented the diesel engine. He died on 29th September 1913 in travessia in a ship, travessant in the Channel Manega.
He was born on 21st of September 1895 in Múrcia. He was from Spain. His father was Juan de la Cierva y Peñafiel. His mother was Maria Codorníu Bosch. He studied engieener. engineer He travelled worked as an engieener. engineer. He lived in Spain (Múrcia). He was an engieener. engineer. He was 41 years old when he invented in the autogiro title. He died on 9th December 1936 in Crorydon.
Source. wikipèdia
Lazló Biro József was born on 29th september 1899-24 October 1985. He was invented the inventor of the modern ballpoint pen. He presented the first production of the ballpoint pen at the Budapest international fair in 1931. He died in Buenos Aires in 1985. Argentina’s inventor’s Day is celebrated on Biro’s birthday, 29th Sepetember.
