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The modest Zhang, who is in his 50s, said that he has been overwhelmed by the response to the paper, which he said has led to an inundation with “too many messages”—congratulations, requests to speak, questions about his proof.
He said the first thing his wife reminded him of after it began to attract public attention was to remember to comb his hair.
Zhang said that he is already returning to other problems he was working on before he shifted his focus to this one.
http://www.boston.com/news/science/blogs/science-in-mind/2013/05/23/obscure-university-new-hampshire-math-professor-takes-major-step-toward-elusive-proof/5e7en2ZjW2d8mek2313qaP/blog.html