🌐EnglishEnglishDeutschEspañolFrançaisItalianoNederlandsPortuguêsالعربيةفارسی日本語EntityQ7178498· pop 7· linked from 35 articlesPetr Beckmannphysicist (1924–1993)ConnectionsUnited StatesCountryAlbert EinsteinPersonreligionCategories1924 births1993 deaths20th-century American non-fiction writers20th-century American physicistsAmerican libertariansAmerican technology writersCzechoslovak defectorsCzechoslovak emigrants to the United StatesEngineering educatorsEngineering writersMathematics writersRelativity critics