Eugenios Voulgaris
Eugenios Voulgaris or Boulgaris (Greek: Εὐγένιος Βούλγαρης; Russian: Евгений Вулгарский, Евгений Вулгар; 1716–1806) was a Greek Orthodox cleric, author, educator, mathematician, astronomer, physicist, and philosopher. He wrote about every discipline: legal, historical, theological, grammatical, linguistic, astronomy, political, mathematics, archaeology, music, secularism, euthanasia, and the tides.