1955: John Hancock Apr 22, 2020
John Hancock's name is synonymous with signatures because his is the largest and most prominent on the US Constitution. This is no accident or act of impropriety, because in 1776, when the Constitution was signed, he was the president of Congress, though to be clear this job was not a precursor to the role of President of the USA, and is more comparable to the position of Speaker of the House or Senate Majority Leader in Congress today.
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