An Odd Writer

Lev Nussimbaum
or Kurban Said
or Essad Bey Nousimbaoum
or Elfriede Ehrenfels
or Mohammed Essad-Bey
or Esad Bej

A divergent life, divergent accounts:

"Essad Bey." Wikipedia [German].

"Lev Nussimbaum." Wikipedia [English].

Reiss, Tom. The Orientalist: Solving the Mystery of a Strange and Dangerous Life. New York: Random House, 2005.