March 23, 1912 (, Yam Tze February fifth day), the birth of American rocket scientist Bulao Si.

Bulao Si, March 23, 1912 Born the German Virgin Xici (now the territory of Poland). Had studied in Zurich, Switzerland School. Graduated from the Berlin Institute of Technology in 1932. In 1934 and a Ph.D. in physics at the University of Berlin. After graduating from college, he was employed in the German Army Ordnance Department, engaged in rocket research. The successful development of the A-2 rocket in 1934. Soon, he set out to develop an A-4 (ie V-2) of the world's first medium-range ballistic missile. In 1937, Germany has launched A-1 through A-5 missile dozens. October 3, 1942, V-2 missile was successfully tested for the first time. After several rounds of test-firing, attracted the attention of Hitler. Germany's defeat in World War II, Bulao Si's Birthday "target =" _blank "> Bulao Si to the Research Bureau of the U.S. Army equipment design, specializing in missile trial he has successfully developed the" Ruby "," Cupid "( lssdjt.com) "Pershing" and "Cupid C" rocket. 1 May 31, 1958, American explorers One "with his design" Cupid C rocket launch the first U.S. teeth artificial Earth satellite in 1969, he designed the Saturn 5 rocket human the moon ......
Bulao Si hobby writing, he has authored or co-authored nine monographs and dozens of papers, numerous lecture June 16, 1977, Bu Laosi death in the United States.