Oktar runs a bizarre publishing enterprise that sends out huge and lavishly illustrated but bizarrely argued tomes vainly trying to discredit evolution. The strategy seems to be to compare fossils with extant species, claim no morphological difference between them, then state this proves evolution to be false. As a wild-eyed strategy this is rather amusing, such as the comparison of a spider crab with a spider. He is certainly taxonomically challenged. Perhaps I'll scan some examples later...I have a copy of one of these volumes that was sent to me a year ago...
He's been convicted of "creating an illegal organization for personal gain".