... Emeritus Professor of Kyoto University), W.E. Duckworth, Toru Araki, Kyozaburo Furumura, Yasuo Murakami, Kazu-ichi Tsubota, Kazuo Toyama, Shin-ichi Nishida, Yoshitaka Natsume, Makoto Saito, Kimio ... early stages of my study on small defects; to Hisakazu Morinaga, Masajiro Abe and Kenji Matsuda for their help during the transition period from the study on small defects to the study on inclusions; ... on inclusion problems; to Masatoshi Yatsuda, Yukihiko Uchiyama and Mitsutoshi Uchida for their help with the analysis of stress concentration of inclusions; and to Tetsuya Takafuji, Hirokazu...