Roberto de la Rocha

Roberto Isaac "Beto" de la Rocha (; born November 26, 1937) is a Mexican-American painter, graphic artist, and muralist. He was part of the Chicano art collective Los Four for a few years. De la Rocha was also influential in re-establishing the traditional Mexican celebration of the Day of the Dead in Los Angeles. He is the father of Rage Against the Machine vocalist and lyricist Zack de la Rocha. was responsible for numerous murals and public art installations in the Los Angeles area. According to Luján, he and de la Rocha emphasized "indigenous and local" aspects of Chicano art, while the other two members were more interested in the European tradition. According to Judithe Hernández, the first female member of Los Four, de la Rocha was also a "brilliant printmaker",

Reestablishing the Day of the Dead in Los Angeles De la Rocha was also influential in establishing the traditional Mexican celebration of the Day of the Dead in Los Angeles, when he, along with Chicano artist Gronk and a few others, led a procession from Evergreen Cemetery up First Street in Eastside Los Angeles. Luján later said that de la Rocha "should be given credit for initiating this process—almost single-handedly. And what he did, he didn't get funding or he didn't ask permission from anybody, he just went and did it." According to The American Prospect, he was also the art editor of the United Farm Workers publication El Malcriado. In 1974, de la Rocha, along with the other founding members of Los Four, was featured in a documentary entitled Los Four/Murals of Aztlan. In 1999, de la Rocha was featured in a joint showing with Los Angeles artist John Zender at La Luz gallery in Long Beach, California.