found: Wikipedia, viewed on Aug. 8, 2008: (Oscar Zeta Acosta; b. in El Paso, Texas, April 8, 1935; in 1974, Acosta disappeared while traveling in Mexico; he was a Mexican American (Chicano) attorney, author, politician and Chicano Movement activist; he is most famously known as "Dr. Gonzo" in Hunter S. Thompson's book, Fear and Loathing in Las Vegas; author of the semiautobiographical novel, Autobiography of a brown buffalo (1972), follwed by, The revolt of the cockroach people (1973), a fictionalized version of the 1970 Chicano Moratorium Committee's march in E. Los Angeles)