Who are some famous alumni of Texas Tech?

John Denver, Pat Green, Zack Thomas (seven-time NFL Pro Bowl selection), Wes Welker (New England Patriots), Sheryl Swoopes, Natalie Maines, Mark Lanier (nationally recognized trial attorney), Dr. O. Wayne Isom (performed David Letterman's quintuple bypass heart surgery), late astronaut Rick Husband, George Eads of CSI, Colby Donaldson of Survivor, Bernard Harris (first African-American to walk in space), several Broadway and Metropolitan Opera stars, Scott Pelley (CBS news anchor and correspondent), and the chairman and CEO of SBC.