Attorney, Mexican-American civil rights leader, and activist. He was a member of the legal team that worked on the famous Minerva Delgado Texas school discrimination case.
He was involved in the fight to end employment discrimination against Mexican-Americans in Houston shipyards.
He was the child of Juan Jose Herrera and Antonia Jimenez. On his father's side, he was descended from natives of the Canary Islands.
He married Olivia Cisneros; together, they had six children. After divorcing Cisneros, he wed Carmen Luisa Garcia, with whom he had another son.
He introduced President John F. Kennedy when Kennedy spoke at a League of United Latin American Citizens assembly on the day before his assassination.