Given the question: Facts: - death cause: esophageal cancer - death date: 09 july 2013 - birth date: 17 february 1955 - name: masao yoshida - death place: shinjuku , tokyo , japan - birth place: osaka , japan Based on these bullet points, write a short biography describing the life of masao yoshida -lrb- nuclear engineer -rrb- .
The answer is:
on 12 march 2011 , about 28 hours after the tsunami struck , yoshida and other tepco executives had ordered workers to start injecting seawater into reactor no. 1 to keep the reactor from overheating and going into meltdown .but 21 minutes later , they ordered yoshida to suspend the operation .yoshida chose to ignore the order and ordered the plant workers to continue .at 20:05 jst that night , the japanese government again ordered seawater to be injected into unit 1 .the week of 7 june 2011 , tepco gave yoshida a verbal reprimand for defying the order and not reporting it earlier .yoshida was diagnosed with esophageal cancer , which was determined by tepco to be unrelated to the nuclear accident , due to the rapidness of its onset .he retired as plant manager in early december 2012 .yoshida died on 9 july 2013 .he was 58 and is survived by his wife , yoko , and three sons .'' if yoshida was n't there , the disaster could have been much worse '' , said reiko hachisuka , head of a business group in okuma town .former prime minister naoto kan tweeted a tribute , '' i bow in respect for his leadership and decision-making '' .