former Director, and the present Director Dr, a Associate Director, ek ad | Steer, Belsky, Dr. Maki, and Wada. Also in Hiroshima the Committee wishes to thank Dr. Fumio Shigeto, ot and to doctors Kato, LeRov Allen, Director of the Hiroshima Atomic Bomb Hospital, Dr. Yutaka “izuno, Countermeasure Section Chief at the Hiroshima Survivors Welfare Center, Mr. Hiroshi Suzuki, Vice Director of the Hiroshima Aebombh Aid Home, Mr. Kazuharu Hamasaki, Director of the Hiroshima Peace Memorial Museum, and Dr. Tomin Harada, Director of the Harada lkilk ek Hospital. Our special thanks is also herehy recorded for Dr. Haruo Ezaki, now Professor in the Second Surgery Department of the Hiroshima University School of Medicine, for his participation as a consultant to the Committee. We are especially grateful to Dr, Ezaki's former lke ke! lle for Nuclear Medicine and Biology of Hiroshima for allowing Dr. Ezaki to take leave from the Institute to work with the Committee, Nagasaki The Committee would like to extend its gratitude to the Honorable Yoshitake Murotani, Mayor of Nagasaki City and to his Deputy Mayor Soichi Urabe for his kindness to the Committee, and for the assistance in arranging the Committee's schedule. We are also ee grateful to Dr. Sadahisa Kawamoto of the Department of Medicine, Nee i SEES eee Ok supervisor, Dr. Naomasa Okamoto, Director of the Research Institute Atomic Bomb Casualty Commission, Dr. Yoshimasa Matsuzaka, Assistant Director of the Nagasaki Survivors Welfare Center, to the directors of the Nagasaki A-bomb Hospital, the Old Age Asbomb Survivors Home, 180