Hezârfen Ahmed Çelebi
Hezârfen Ahmed Çelebi (Ottoman Turkish: هزارفنّ أحمد چلبی,, lit. 'Polymath Ahmed the wise'; 1609 – 1640) was an Ottoman scientist, inventor, chemist, astronomer, physician, Andalusi musician, and poet from Istanbul, reported in the writings of traveler Evliya Çelebi to have achieved sustained unpowered flight. == Etymology of name == The title "Hezârfen", given by Evliyâ Çelebi to Ahmed Çelebi, is from Persian هزار hezār meaning -a thousand- + فنّ fann meaning -science together making it together Ahmed having talents in "a thousand of sciences (polymath).