US
physicist;
1882-
1945The first person to build liquid-propellant rockets that flew (1926) and to build one that was able to break the sound barrier (1935).
In 1919 his small book on rocket propulsion was published. It mentions how rockets might be used to reach the Moon. He also foresaw the multistage rocket and rocket devices such as the nozzle and combustion chamber.
NASA named the Goddard Space Flight Center to honor him as the "Father of American Rocketry".