Producers Emma Thomas, Charles Roven andChristopher Nolanaccepted the prize.
The Oscar wins were his first on eight career nominations.
Cillian Murphywon Best Actor forOppenheimer, following up his victories at theSAGandBAFTA Film Awards.

From left: Acting Oscar winners Robert Downey Jr., Da’Vine Joy Rudolph, Emma Stone and Cillian Murphy backstageJohn Shearer/WireImage
But it was his first Oscar and nomination and the first win for an Ireland-born actor in the category.
So Id like to dedicate this to the peacemakers everywhere.
It was Stones win in the category, followingLa La Landin 2017.

Inher acceptance speech, Stone thanked director Yorgos Lanthimos for the gift of a lifetime in Bella Baxter.
Earlier, her reaction to Kimmels joke about her filmgot social media buzzing.
Poor Thingsscooped the second-most awards Sunday with four three of which were won consecutively.
A24sThe Zone of Interestis the only other multiple winner on the night.
Among the big studios shut out Sunday were Netflix, Sony, Paramount and Disney.
It was his first Academy Award on his third nomination, afterTropic ThunderandChaplin.
Oppenheimers second win of the night, for Film Editing, was the first for Jennifer Lame.
The films Hoyte van Hoytema later took the Cinematography prize.
1 movie,Barbie.It made Eilish the youngest person to win two Oscars.
The latters 2018 predecessorwon the Oscar five years ago.
The Academy Award for Best Animated Short went to the anti-war filmWar Is Over!
Inspired by the Music of John & Yoko.
Wes Anderson and Steven Rales later picked up the Live-Action Short statuette forThe Wonderful Story of Henry Sugar.
It was Andersons first Oscar.
on his eighth nomination.
The Last Repair Shop,from Ben Proudfoot and Kris Bowers, won for Documentary Short.
It wasProudfoots second Oscar in three years, followingThe Queen of Basketballin 2022.
Another non-Hollywood pic, JapansGodzilla Minus Onefrom Toho, scored the Visual Effects Oscar overVES Award winnerThe Creatorand others.
Its also among thehighest-grossing non-English language filmsat the U.S. box office.