Conan O’Brien mourns the loss of both his parents in less than a week.

The former late night talk show host’s mother, Ruth Reardon O’Briendied Thursday, December 12, at her home in Brookline, Massachusetts, at age 92. Conan’s father, renowned doctor Dr. Thomas O’BrienShe died days earlier on Monday, December 9, also at her home. Thomas was 95.

“Science said there was no such thing as perpetual motion, but my father was proof that was wrong,” said Conan, 61 Boston Globe in an interview published on Thursday. “My father was constantly on the move. And he was interested in everything – absolutely everything.”

Conan credited his father with instilling a love of comedy in his children. According to the globeThomas introduced his and Ruth’s six children Charlie Chaplin and the Marx Brothers films.

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“The loudest laugh I ever heard was when I was sitting next to him in the theater watching Peter Sellers in one Pink panther Movie,” Conan recalled, adding that while people often thought his father was a “fascinating man” because of his work in epidemiology, he had more to offer.

“But he was often the funniest guy in the room. And when he laughed, his whole body twitched and he almost hugged himself,” Conan said.

“For the rest of my time on Earth, I will hear from people who want to talk to me about my father,” Conan continued. “I’ve never met anyone like him, and he happens to be my father. If I happened to meet him in a hotel lobby, I’d think, ‘Who the hell is this guy?’ He’s the most interesting person I’ve ever met.'”

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Conan’s mother, Ruth, was a lawyer and, according to an obituary, the second woman to become a partner at the Boston law firm Ropes & Gray.

Conan’s younger brother, JustinHe remembered his mother’s penchant for attending family gatherings. “My mother once said she thought he enjoyed their reunions more than she did. “He really loved meeting people, hearing their stories and getting to know them in a very meaningful way,” he told the outlet.

A funeral mass for both of Conan’s parents will be held in Boston on Wednesday, December 18th.

The sad news comes as Conan prepares to host the 97th Academy Awards on March 2, 2025. It will be his first time hosting the ceremony.

“America demanded it and now it’s here: Taco Bell’s new Cheesy Chalupa Supreme. “I’m also hosting the Academy Awards,” Conan joked in a statement confirming his appointment in November.

“We are thrilled and honored to have the incomparable Conan O’Brien host the Oscars this year,” said Academy CEO Bill Kramer and academy president Janet Yang said in a joint press release. “With his brilliant humor, love of film and live TV expertise, he is the perfect person to lead our global celebration of film.”