204 - 249
  Philip the Arab, 33rd Roman Emperor  
Marcus Julius Philippus also known commonly by his nickname Philip the Arab, also known as Philip, was Roman Emperor from 244 to 249. He was born in present-day Syria to a Syrian father, and went on to become a major figure in the Roman Emp...
    Carlo Rovelli, Quantum Gravity  
Carlo Rovelli is an Italian theoretical physicist and writer who has worked in Italy, the United States and, since 2000, in France. He works mainly in the field of quantum gravity and is a founder of loop quantum gravity theory. He has also...
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