Charis mini

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Across
  1. 5. maths professor at RUG, Bad
  2. 7. physics professor that was friends with Epstein, last name
  3. 8. Musical by Linn Manuel Miranda, recorded
Down
  1. 1. 44th president of the USA, first name
  2. 2. Emperor of Byzantium that conquered Rome
  3. 3. _ squared, as said by sofos
  4. 4. To agapumeo band tou koulli
  5. 6. o mattheos