1926, what did the United States launch the earliest rocket in the world and what did Germany launch 1930?

From 65438 to 0926, robert goddard, the pioneer and scientist of American rocket development, successfully launched the world's first liquid fuel booster rocket in the United States.

1930, the German Walter Robert Dornberg launched the rocket (Milek I).

Robert hutchings goddard (1882 101October 5-1945 August10) is an American professor, engineer, inventor and inventor of liquid rocket. He launched the world's first liquid rocket on March 1926. Goddard * * * obtained 2 14 patents, of which 83 patents were obtained before his death. The Goddard Space Flight Center of NASA, founded in 1959, was named after him. Goddard crater on the moon is also named after him.

Walter Robert Dornberg, a famous rocket expert during World War II, made outstanding contributions to the development of rocket and missile weapons led by Ordnance Bureau. 1895 was born on September 6th in Giessen, Hesse, Germany. He was awarded the Knight Medal and 1 1 other military medals successively. 1943 won the highest medal of Germany. Dornberg served Nazi Germany's war for a long time, and developed advanced weapons of destruction for it, causing harm to the allied forces. But as an accomplished scientist, his name will still occupy an important page in the history of scientific development, and his research results still belong to all mankind.