Oswalt remembered Henrys wit by tweeting an exchange the comedian had withDavid Lettermanon his late-night show.

David Letterman: Do you have any hobbies?

Buck Henry: I have hobbies.

“Twelfth Night” & “Richard III” Broadway Opening Night - Arrivals And Curtain Call

Credit: John Lamparski/WireImage

DL: Do you have any pets?

BH: Im not allowed to have pets.

BH: Because of my hobbies, Oswalt wrote, with the hashtag #RIPBuckHenry.

Buck Henry was hilarious and brilliant and made us laugh more times than we even know.

The most fun I ever had with a husband.

Dear, brilliant Buck.

#RIP Safe journey.

See ya round the bend, her heartfelt caption read.

Buck Henry, guys.

A brilliant talent and a really lovely guy.

RIP, theBetter Call Saulactor wrote.

Dolemite Is My NameandAmerican Crime Story screenwriter Larry Karaszewski also honored his fellow creator on Wednesday night.

Buck Henry our most fearless screenwriter.

Buck was also a big personality & a performer, he tweeted.

He gave screenwriting a face.

Henry earned another Oscar nod for co-directing 1978sHeaven Can Waitwith the films starWarren Beatty.

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