That is your faith and what part has it played in your life achievement?"" was the question put to the assembled notables. Here, with brief biographies, are their answers. From theatre celebrities and sports stars, politicians and statesmen, philosophers and preachers, businessmen and writers come words to think about and take heart from. Some of the contributors: George Romney, Walt Disney, Adlai Stevenson, William Ernest Hocking, David Sarnoff, John H. Glenn, Jr., James A. Pike, Clare Boothe Luce, Bobby Richardson, Nelson Rockefeller, Norman Vincent Peale, Rafer Johnson, Steve Allen, Billy Graham, Walter Reuther, Catherine Marshall, Paul de Kruif, Roy Rogers, Paul Tillich, Conrad Hilton. with more stamina than many such offerings.