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    Otto von Guericke, The Magdeburg Hemispheres, 1654  
Otto von Guericke was a German scientist, inventor, and politician. His major scientific achievements were the establishment of the physics of vacuums, the discovery of an experimental method for clearly demonstrating electrostatic repulsio...
 
    Joe Biden, 46th US President, 2021  
Joseph Robinette Biden Jr. is an American politician and the president-elect of the United States. Biden defeated incumbent president Donald Trump in the 2020 presidential election. A member of the Democratic Party, Biden served as the 47th...
 
    Donald Trump, 45th US President, 2017-2021  
Donald John Trump is the 45th and current president of the United States. Before entering politics, he was a businessman and television personality. Born and raised in Queens, New York City, Trump attended Fordham University for two year...
 
       
         
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