Hermann Oberth
18941989
Austro-Hungarian-born German physicist, mathematician, engineer, and rocketry pioneer whose theoretical work laid the foundation for spaceflight
৩ স্মারক পাওয়া গেছে
browse.listLastUpdated
ফিল্টার প্রয়োগ করে জীবনে সব দেখুন18941956
American sexologist and biologist whose Kinsey Reports challenged societal norms and became a precursor to the sexual revolution
