Answer: thefountainhead

AnswerCrossword Clue
THEFOUNTAINHEADWork by 1A
THEFOUNTAINHEADAyn Rand novel
THEFOUNTAINHEADAyn Rand's chef-d'oeuvre.
THEFOUNTAINHEADGary Cooper film: 1949