Miller was chairman and chief executive of Henry S. Miller Co., the real estate business his grandfather launched in 1914. Miller and his father, Henry S. Miller Jr., expanded the business from a small one-man real estate company to one of the largest commercial and residential real estate businesses in the nation. Miller was born in Dallas in 1933. He attended Southern Methodist University, where he graduated with a bachelor’s degree in business administration in 1954.While in college, he met his wife. He and Geraldine Erwin married in 1956. They had four children. Henry S. Miller Jr. sold the company in 1983 to Grubb & Ellis, where he and his son served on the board. They relaunched Henry S. Miller Co. in 1994. Miller was passionate about his civic duties and donated to a variety of local charities and organizations. He also donated generously to political causes. Since 2000, he gave about $484,000 to Texas political action committees and Republican candidates, including Gov. Rick Perry. He gave more than $200,000 to federal PACs and GOP candidates, including former Massachusetts Gov. Mitt Romney. In addition to his wife and son Vaughn, Miller is survived by another son, Greg Miller; a daughter, Cynthia Vance-Abrams; and eight grandchildren.