08/07/2017 05:44:53 PMUniversity of Houston - News: George Mitchell, a philanthropist, Texas oilman and real estate developer, passed away Friday at age 94. Mitchell and his late wife, Cynthia, made considerable contributions to Houston, Galveston, The Woodlands and beyond through their leadership, philanthropic generosity and passion for culture and historic preservation.Shawn Lindseyselindsey@uh.eduNotices,People