San Diego Union-Tribune

POPULAR ASTRONOMER AT UC SAN DIEGO

Quantum mechanics expert remembered for his passion and curiosity

- BY GARY ROBBINS

ANDY FRIEDMAN • 1979-2020

Andy Friedman, a University of California San Diego astronomer known for his insights about supernovas and the expansion of the universe and explaining them to the public in places like Astronomy magazine and San Diego Comiccon,

died on Friday in San Diego. He was 41.

Friedman, who spoke with the joy and zest of Carl Sagan, one of his childhood heroes, succumbed to a rare form of cancer, according to his wife, Kristen Keerma Friedman.

He became the third prominent figure from UC San Diego to die in recent weeks. The campus also is mourning the loss of mathematic­ian Ron Graham, whose work has been indispensa­ble to the evolution of computing, and Flossie Wong-staal, the virologist who co-discovered the cause of AIDS.

Friedman had suffered health problems over the years. But news of his death stunned friends and colleagues, including UC San Diego physicist Brian Keating, who recruited him to La Jolla, and physicist-science fiction author David Brin of Olivenhain.

The trio made up “The Three

Physicists,” an informal group that periodical­ly met to give public talks on science and philosophy.

“Andy had opportunit­ies to work with luminaries at other places, like MIT and Harvard, but he came here and we were so glad to have him,” Keating said Monday.

“He had a relentless curiosity, unparallel­ed mathematic ability and a humanitari­an soul. He could communicat­e with people, and his passion was infectious when he talked about things like quasars and

the cosmos.”

Brin said, “I’ve never known anybody who enjoyed a wider variety of ways to be alive. He was a scientist whose other interests extended to sculpture and painting and music and dabbling in science fiction. He had an epic rock and fossil collection. His passions included poking away at God by exploring the universe.

“It is a trait of so many great American Jewish scientists, like Albert Einstein and Richard Feynman.”

Friedman was born on April 7, 1979, at Mercy Hospital in San Diego. He was the son of a cardiologi­st and a producer of Jewish musicals.

“He was raised in a home that loved science fiction and documentar­ies and books,” said his wife.

Friedman earned a bachelor’s degree in physics and astronomy at UC Berkeley and a doctorate in astronomy and astrophysi­cs at Harvard. Friedman later went on to do research at MIT, working with renowned physicists David Kaiser and Alan Guth.

Friedman joined the UC

San Diego research faculty in 2019, partly because of the opportunit­ies in La Jolla and his desire to be close to his family.

His specialty was quantum mechanics, which is used to explain how the universe works at scales so small they’re hard to conceive, and supernova, an explosion known as the “last hurrah” of a star.

With Brin and Keating, he also dove into esoterica, tackling subjects such as the physics of free will.

“Did you all come here today of your own free will, or was your interest somehow programmed into the universe all the way back to the Big Bang?” Friedman asked at the start of a talk in 2015.

“I really do believe we have free will. So my approach is to ask, do the laws of physics permit it? And if not, what ingredient­s might be missing?”

His wife said Monday: “He was never so happy as when he was speaking to the public. He thrived on it.”

Friedman is survived by his wife, his parents, his wife’s parents, as well as her sister.

gary.robbins@sduniontri­bune.com

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Andy Friedman

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