Tom Frost, one of San Antonio's most powerful business and community leaders, died Friday at the age of 90.
Frost was chairman emeritus of San Antonio-based Cullen/Frost Bankers Inc., parent company of Frost Bank, where his leadership spanned more than three decades.
Frost was also instrumental in San Antonio landing the 1968 World’s Fair and in developing the South Texas Medical Center. He was also a key player in helping the Alamo City land its lone major league Sports franchise — the San…