Ramón Eduardo Ruiz (1921–2010) was Professor Emeritus of History at the University of California, San Diego. He was author of many books, including Triumphs and Tragedy: A History of the Mexican Pe...ver maisRamón Eduardo Ruiz (1921–2010) was Professor Emeritus of History at the University of California, San Diego. He was author of many books, including Triumphs and Tragedy: A History of the Mexican People, Memories of a Hyphenated Man, and On the Rim of Mexico: Encounters of the Rich and Poor.ver menos