László Bíró
18991985
Hungarian inventor known for patenting the first commercially successful modern ballpoint pen
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लागू फ़िल्टर के साथ जीवन में सभी देखें18991973
German-American political philosopher and historian of political philosophy known for his interpretations of ancient and medieval thought, his account of classical natural right, and his influence on twentieth-century political theory by advocating for a return to classical understanding
