Award-winning documentary filmmaker Saul Landau died at his Alameda home Monday night, according to the Associated Press. He was 77.
Landau had been struggling with bladder cancer for two years, the AP article said.
As a director, producer and writer, Landau focused on issues such as poverty and racism.
"Paul Jacobs and the Nuclear Gang," a 1979 Landau film that looked at people affected by radiation from above-ground nuclear bomb tests, won a George Polk Award for investigative reporting, the AP article said.
"Fidel," produced in 1968, was one of the first close-up looks at Cuban leader Fidel Castro.
Family members are planning a memorial service, according to a post on Landau's website.