Oktay Urkal (born 1970), Turkish-German professional welterweight
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Oktay Sinanoğlu, Turkish scientist of theoretical chemistry and molecular biology
A book in which he was interviewed about his life and works, under the name The Turkish Einstein, Oktay Sinanoglu (Turkish: Türk Aynştaynı Oktay Sinanoğlu Kitabı) was edited by Turkish writer Emine Çaykara and published in 2001 in Turkey.