PETRACHE POENARU - The Fountain Pen inventor. Poenaru, who had studied in Paris and Vienna and, later, completed his specialized studies in England, was a mathematician, physicist, engineer, inventor. While a student in Paris, Petrache Poenaru invented the world's first fountain pen, an invention for which the French Government issued a patent on 25 May 1827.
Traian Vuia - Romanian inventor and aviation pioneer, the first who succeeded in using a self-propelled aircraft (Wright brothers aircraft was propelled by a weight and used the small on-board propeller only to maintain the aircraft in the air).
Victor Babeș Vienna – Bucharest) was a Romanian physician, bacteriologist, academician and professor. One of the founders of modern microbiology, Victor Babeș is author of one of the first treatises of bacteriology in the world.