Answer: SPENGLER

AnswerCrossword Clue
SPENGLERGerman sociopolitical philosopher, whose writings greatly influenced Hitler.
SPENGLERHe wrote "The Decline of the West."
SPENGLERAuthor of "Decline of the West."
SPENGLER"Decline of the West" author
SPENGLERDr. Egon ... ("Ghostbusters" role)
SPENGLERGerman philospher