Alexander Stepanovich Popov
18591906
Russian physicist, engineer, and inventor known for being one of the first to invent a radio receiving device
4 ទំព័រវិញ្ញាណក្ខន្ធ បានរកឃើញ
មើលទាំងអស់ក្នុង Lives ជាមួយតម្រងដែលបានអនុវត្ត18591919
Austrian writer and poet who played a key role in the genesis of early modernism in Vienna