Doctor Klein

Doctor Klein is a pre-War scientist operating the Big Empty in 2281.

Background
Doctor Klein is a Pre-War doctor that had his brain implanted into a Think Tank to continue his work at the Big Empty. He claims to be the first in his field, or 'first chair', indicating that he might have been or still is the facility's chairman or administrator.

Appearances
Doctor Klein is set to appear in Old World Blues.

Behind the Scenes
His name is most likely a reference to the Klein bottle a 4D object with infinite volume, not unlike Dr. Mobius's name.