Isaiah Thomas was an early American printer, newspaper publisher and author. He performed the first public reading of the Declaration of Independence in Worcester, Massachusetts, and reported the first account of the Battles of Lexington and Concord. He was the founder of the American Antiquarian Society. He was one in a partnership that was formed to publish the Massachusetts Spy, which lasted for three months, after which Thomas continued publication alone. For the paper's motto, he chose "Open to all parties, but influenced by none." Wary of the Tories' growing resentment of the independence of the Spy, on April 16, 1775 (three days before the Battle of Lexington, in which he took part), Thomas took his presses from Boston and set them up in Worcester. His other property was destroyed. The Spy supported George Washington and the Federalist Party. He was also postmaster for a time.

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