  pedro paulet mostajo (july 2, 1874 in arequipa, peru â 1945 in buenos aires, argentina) was a peruvian scientist who allegedly in 1895 was the first person to build a liquid-fuel rocket engine and, in 1900, the first person to build a modern rocket propulsion system. german v-2 inventor wernher von braun considered paulet one of the "fathers of aeronautics." the national air & space museum in washington, d.c., has a small plaque honoring the memory of paulet. ==career== paulet's claims were unknown until october 27, 1927, when a letter from paulet appeared in an issue of the peruvian newspaper el comercio in which he claimed legal ownership of his earlier rocket motor design. recognizing that rocketry was beginning to boom in europe, paulet sought witnesses to help verify the work he said he had done ye
1874_births 1945_deaths Early_spaceflight_scientists People_from_Arequipa Peruvian_diplomats Peruvian_engineers Peruvian_people_of_French_descent Peruvian_scientists Rocket_scientists