This file picture, taken in November 2011, shows Masao Yoshida, then the director of Japan's crippled Fukushima Daiichi nuclear plant. Yoshida has said he never considered withdrawing from the ... more 

This file picture, taken in November 2011, shows Masao Yoshida, then the director of Japan's crippled Fukushima Daiichi nuclear plant. Yoshida has said he never considered withdrawing from the escalating crisis despite fearing for his life, according to reports less