Hermann oberth biography definition
Hermann Julius Oberth (June 25, - December 28, ) was a German physicist and one of the founding fathers of rocketry and astronautics. Oberth was born in the Transylvanian city that is now Sibiu, Romania, but was at that time Hermannstadt, Siebenbürgen, in the Austro-Hungarian Empire Oberth was, along with the Russian Konstantin Tsiolkovsky and the American Robert Goddard, one of the.