THESE AMERICANS WERE HELD PRISONER BY THE JAPSTHE GHASTLY EFFECTS of life in the Santo Tomas Jap prison camp in Manila are evident in this photo of a group of prisoners liberated when our forces drove out the enemy. The men are (1. to r.): Hugo G. Winkler, 30, a proofreader on a Manila newspaper. He entered the camp weighing 135 pounds and now weighs 87. Thomas B. Loft, traffic manager, General Foods, who came in at 160 and is now 102. Arthur Williamson, 45, exporter; came in weighing 145, is now 103. Harold B. Leney, 31, accountant; came in at 185, is now 105. David Norvell, 38, employee of Soriano Brothers; entered at 135, and is now 95 pounds. (International)