Amarillo College (AC) will honor three extraordinary alumni whose lives and work have shaped the Panhandle and beyond at its 2025 Distinguished Alumni Celebration, taking place Tuesday, Oct. 14 at the Amarillo Country Club.This year’s honorees—the late Captain Jim Dick Miller, U.S. Navy retired; geologist and community leader Jim J. Brewer; and nonprofit executive and education advocate Katharyn Wiegand—reflect the breadth of impact AC graduates make in the world.