The author is a South San Antonio School District official with a Master’s Degree in History from St. Mary’s University and is a member of Los Bexarenos Genealogical Society. Manuel B. Bravo, sworn in as democratic county judge of Zapata County on January 1, 1937, held this post for twenty years. In his long career he became known as one of the ” Mexican Bosses” of South Texas, participating in many significant events, including the construction of Falcon Dam. Quezada relates development of ” Bossism” by analyzing role of influential families & their economic integration into the state and nation. College Sta., TX 1999 1st Ed., 320 Pgs. Signed by the Author. HB.