Yet Charles Brittin was relatively unknown.
"He was an absolutely critical figure in Los Angeles, because he was at the intersection of so many things that were happening," Perchuk said. "He also was one of the great civil and political photographers of the age."
Brittin, who had liver and kidney transplants in the 1990s, died Sunday of pneumonia at Saint John's Health Center in Santa Monica, said his lawyer, Salomon Illouz. He was 82.
One of the first subjects to fascinate Brittin as a photographer was a sleepy Venice Beach, where he took pictures "freighted with a hushed beauty and forlorn sweetness," according to the book "Charles Brittin: West and South," scheduled to be published in April.
He preserved a pre-gentrified Venice that has all but vanished: Oil derricks jockey with houses and a waterway and decay creeps into the frame of a once-grand colonnade. In "Big Head, Ocean Park" (1957), a slightly disturbing and clownish ticket booth stands sentry at a funhouse.
A chance meeting in the 1950s with seminal beat-scene artist Wallace Berman pulled Brittin into a circle of avant-garde artists who hung out on La Cienega Boulevard at the Ferus Gallery, the influential contemporary art gallery.
Brittin's Venice Beach shack became the group's second home, and he turned into the unofficial house photographer of a crowd that included actors Dean Stockwell and Dennis Hopper, artist John Altoon, curator Walter Hopps and poet David Meltzer.
"He was probably the beat generation photographer," said Craig Krull, a Santa Monica gallery owner who exhibited Brittin's work in 1999.
"A lot of the people Charles took pictures of ended up becoming legendary figures," Krull said. "His photographs are more than just documents of artists and events. They are very incisive and powerful and poetic and tough."
They also have a "romantic resonance," because many of the elements in them are "gone forever," Brittin said in the catalog for the 1999 show.
As the beat movement gave way to civil unrest in the 1960s, Brittin took his camera to the front lines, and his often tightly focused images were filled with raw emotion. One from a 1965 protest at the Federal Building in Los Angeles shows no faces, only body parts — the splayed legs of a black female protester being gripped by a white officer.
His political activism had its roots in his childhood in Cedar Rapids, Iowa, where Charles William Brittin was born May 2, 1928.
He was the youngest of three children of a father who quit teaching and eventually ran a grocery store. "Keenly aware" that his family had "lost status," he came to identify with the oppressed, Brittin recalled in the catalog.
At 15, he moved to the Fairfax district in Los Angeles with his mother after his father died. The liberal student body at Fairfax High School influenced his political views, and he was soon a Marxist "on my way to changing the world," Brittin told The Times in 1999.
He moved again, to Pomona, and after graduating from high school spent several years studying at UCLA.
In the 1950s, he married and divorced twice — and bought his first camera.
His third wife, Barbara, whom he married in 1961, shared his commitment to activism.