Ferdinand Waldo Demara is referred to as the “World’s Greatest Impostor.”  During his “career” he took on the roles of a naval surgeon, a civil engineer, a sheriff’s deputy, an assistant prison warden, a doctor of applied psychology. a hospital orderly, a lawyer and much more.  During his impersonation of a trauma surgeon during the Korean War, he improvised several successful major surgeries on combat casualties.  It’s believed that Demara had a true photographic memory and an extraordinarily high IQ.

He’s someone Tinker would probably be aware of, and maybe even be a fan ….