Ok, through gloating. 🙂
This film was supposed to be his follow-up to Gone With The Wind.
And NO – not even a hint of googling! Please: give the folks that might know this upright a chance to respond first.
Hint #1: There are actually TWO viable answers to this one. And, of course, the second half should be obvious, as his name and GWTW are inextricably tied together.
Congratz to reader Bill (see comments).
Timestamp jiggered to bring to the fore.