Answers

2014-08-12T08:20:02+08:00
He was Robert Recorde  i think ...   
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2014-08-12T16:33:11+08:00
It was Robert Recorde, Welsch mathematician and physician, who worked for King Edward VI. He invented the symbol of equality (=) and also intoduced the plus symbol (+) into the modern Welsch science. 
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