 Aggies in business , particularly in the fields of energy , construction , communications , and chemistry , include Lowry Mays , chairman and CEO of Clear Channel Communications ; Jeffrey <unk> , principal , Trammell Crow Company ; George P. Mitchell , chairman and CEO , Mitchell Energy and Development Corp. ; Khalid A. Al @-@ <unk> , President and CEO of Saudi Aramco ; Eduardo Castro @-@ Wright , CEO of Wal @-@ Mart Stores USA . Alum Charles E. <unk> was known as the " Father of Hollywood " for his role in developing many of the city 's most recognizable landmarks , including the Hollywood Bowl , Grauman 's Chinese Theater , El Capitan Theatre , the Roosevelt Hotel , the Grauman 's Egyptian Theatre and the Hollywood Masonic Temple . Architect Greg Pappas , now @-@ deceased member and Vice President of the Pappas Restaurants family , is known for his design of the many different Pappas Family restaurants . J. William Harbour M.D. , is an ocular oncologist , cancer researcher and vice chairman at the Bascom Palmer Eye Institute in Miami . 
