Celebrity Celebrity Deaths Celebrity Death News Sacheen Littlefeather, Native American Activist Who Refused Oscar for Marlon Brando, Dead at 75 On Sept. 17, Sacheen Littlefeather accepted an apology from the Academy of Motion Picture Arts and Sciences for the hostile reception she received at the 45th Oscars in 1973 By Tommy McArdle Tommy McArdle Tommy McArdle is an editorial assistant on the Movies team at PEOPLE. Tommy joined PEOPLE in 2022. People Editorial Guidelines Published on October 3, 2022 09:23AM EDT Sacheen Littlefeather has died from metastasized breast cancer. She was 75. The Native American activist died at 12 p.m. Sunday at her home in Marin County, California, surrounded by her family and loved ones, according to a press release. Littlefeather's death comes just two weeks after she publicly accepted the Academy of Motion Picture Arts and Sciences' apology for the hostile reception she received during the 45th Oscars in 1973 when she appeared on behalf of winner Marlon Brando. "Littlefeather dedicated her life to the health and wellness of Native people everywhere," reads a press release. "She was known for her sense of humor, quick wit, and fierce advocacy for Native American and Indigenous communities." Born on Nov. 14, 1946, in Salinas, California, Littlefeather graduated as valedictorian from Antioch University after studying wholistic health and nutrition with a minor in traditional Indian medicine (herbology), according to her obituary. As early as her college days, Littlefeather actively participated in Indigenous spaces and took part in the 1969 occupation of Alcatraz Island in San Francisco, according to history.com and her obituary. Everything to Know About the Academy's Mistreatment of Sacheen Littlefeather at the 1973 Oscars AP/Shutterstock Littlefeather worked with the Indian Health Service in conducting workshops on wholistic health throughout the country for indigenous tribes and as a wholistic health nutritionist for the Kiowa tribe, where she also wrote a "Food as Medicine" column for the Kiowa Indian Newspaper, her obituary states. In addition, she worked for two years as a public service director at KFRC Radio in San Francisco and was a model and actress. For more on Sacheen Littlefeather, listen below to our daily podcast PEOPLE Every Day. Littlefeather is best known for appearing on behalf of actor Marlon Brando at the 45th Academy Awards in 1973. Speaking for the star, she refused to accept his Best Actor award for The Godfather due to the film industry's treatment of Native Americans. The act of protest famously received mixed reactions from the star-studded audience. Never miss a story — sign up for PEOPLE's free daily newsletter to stay up to date on the best of what PEOPLE has to offer, from juicy celebrity news to compelling human interest stories. Frazer Harrison/Getty "She did so unselfishly, in efforts to end the stereotyping of Native people in the film, television, and sports industries," Littlefeather's obituary reads. "As a result, Sacheen was professionally boycotted, personally harassed and attacked, and discriminated against for nearly 50 years." Close to half a century later, the Academy offered Littlefeather a public apology and honored her at an event called "An Evening with Sacheen Littlefeather" held at the Academy Museum of Motion Pictures in Los Angeles on Sept. 17. Chris Pizzello/AP/Shutterstock In response to the apology letter issued by then-Academy president David Rubin in June, Littlefeather said, "I am here accepting this apology. Not only for me alone, but as acknowledgment, knowing that it was not only for me but for all of our nations that also need to hear and deserve this apology tonight." "Even though many people were judgmental of Sacheen and treated her in a negative way, she forgave them all, did not hold grudges, and moved on with her life in a positive way, showing everyone love and forgiveness," her obituary adds. Sacheen Littlefeather Accepts Academy's Apology for Her Treatment at 45th Oscars 'For All of Our Nations' A press release states that Littlefeather "was known for her sense of humor, quick wit, and fierce advocacy for Native American and Indigenous communities." Her husband, Charles Koshiway, died of blood cancer in November 2021. A Catholic Requiem Mass will be held at St. Rita Church in Fairfax, California, later this month, according to the press release. Prior to Littlefeather's death, she asked that mourners make donations to the American Indian Child Resource Center in Oakland, California, rather than send flowers.