Marx Mysteries Solved While You Wait! Just ask the council...

Hurrah!
The man I feared was destined to be known forever as Weirdo, the illusory sixth Marx Brother, has been identified, apprehended and charged.
If by any chance you've no idea what I'm talking about, you can either go back to here and start again, or if you'd rather, here's a quick update.
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Earlier this week, my friend Richard alerted me to this CD, on the EMI label, which proudly offers the purchaser some Groucho Marx Madness and isn't joking, since it insanely opted to put a picture of someone done up like Groucho on the cover rather than the genuine article:
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I was amused to see so prestigious an outfit as EMI making so elementary a gaffe, and was also keen to know just who it is under the greasepaint.
Since then, I've learned that the same mistake has been made many times, such as here:
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... and even, recently, by Penguin Books, who have reissued their Essential Groucho anthology with the same pesky interloper front of house:
. Under the circumstances, a somewhat ironic choice of title.
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Then, in what seemed like a couple of days, and not without reason, the answer arrived, courtesy of council member Tom, who wrote:

"Mystery solved! I know who this person is. He's Life Magazine photographer Alfred Eisenstaedt. I bought a copy of the book Life goes to the Movies back in 1976. The picture is on page 222."

And he's right, even about the page number, which is the sort of thing I'd be just as likely to get wrong, figuring that it doesn't really matter and it's easier to just guess if you've already put the book back on the shelf in another room. (I should perhaps stop and explain here that I keep most of my books in a different room from the one the computer's in, hence the scenario outlined in the previous sentence.)
And as proof, if proof be needed, and I always think proof be welcome even if it not necessarily be needed as such, we have this. (Thanks to council member and fellow Marx blogger David for the link. And for the Manly Blogger Guy Award, but that's another story.)
Or if you prefer your proof a little more visual, techno-savvy and eerie in a way you find it difficult to fully put your finger on, here's a picture of Eisenstaedt taken accidentally when he mistook his mirror for Groucho pretending to be him without make up and raised his camera in an effort to burst the illusion, followed by council member Damian's ingeniously photo-shopped moustache-free version of the CD cover pic:
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It makes you wonder if all men look like they're sucking an enormous gumball when you photoshop their moustache off or if there was something special about Alfred. Nonetheless, nasty swelling or no, the jury don't need to retire long before reaching their verdicts here.
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So thanks to Tom, Damian, David, Richard and everyone else who helped to make this half-century-old puzzle such a Rider Haggard-style page-turner.
And I leave you with the news that Penguin books have finally selected the cover photo for their forthcoming re-issue of The Groucho Letters:
. Apparently it was taken during an ad break on You Bet Your Life.

(Hey, David! Does this entitle me to a second Manly Blogger Guy Award?)