Texas Science Hall of Fame 2001. San Antonio: January 22, 2001
Texas Science Hall of Fame 2001. San Antonio: January 22, 2001
Texas Science Hall of Fame 2001. San Antonio: January 22, 2001
Texas Science Hall of Fame 2001. San Antonio: January 22, 2001
Texas Science Hall of Fame 2001. San Antonio: January 22, 2001