Lana Wood's description is indeed there in the memoir. Attached is a screen shot of the page in question scraped from Google Books. The Redditor was quoting the book directly.

Though I can't find a comedy album named "The 2001 Year Old Man", I can only find the "2000 Year Old Man". Still, I could see it being a Brooks/Reiner thing, the only trick is finding an extant recording.