Tanya Mosley (host)

And he executive produced the cult classic Freaks and Geeks, which launched the careers of Seth Rogen and Jason Segel.

He's written for comedy legends like Gary Shandling and Roseanne Barr and

and he mentored a young Lena Dunham, executive producing all six seasons of Girls.

But here's the thing about Judd Apatow.

He's also a collector.

Since he was 10 years old, autographs from his idols sealed in plastic, letters he wrote as a teen to and from his favorite comedians, photographs from every movie and TV set, and scripts covered in notes and journals documenting every high and devastating low.

And now at 57, he's letting us get a glimpse of his collection, which he's compiled in a new book called Comedy Nerd, a lifelong obsession on stories and pictures.

It's unlike any Hollywood memoir I've ever read.

It's part scrapbook, part confessional, part love letter to the art form of moviemaking, and a glimpse into the psyche of a man who's been making people laugh for more than three decades.

Judd Apatow, welcome back to Fresh Air.

You've been here four times.

Yes.

Okay.

This memoir, it's unlike any memoir I've ever seen, as I said, almost 600 pages.

And you write in the introduction that this isn't even everything that you've collected.

Yeah.

What made you want to put all of this stuff in a book?

Wait, you have seven storage units.

At one time, was it all in your house, though?

Organized.