James Thomson Callender

Born in Scotland around 1758, he first made his name by publishing sharp attacks on British politics. After facing prosecution for sedition, he left for America in the 1790s and quickly became a notorious voice in the country's bitter newspaper wars.

His pamphlets and articles targeted some of the best-known figures of the era, including Alexander Hamilton, John Adams, George Washington, and eventually Thomas Jefferson. Once allied with Jeffersonian Republicans, he later broke with Jefferson and became one of the earliest writers to print accusations about Jefferson's relationship with Sally Hemings.

Callender's reputation in his own time was deeply divisive: to some he was a reckless scandalmonger, while to others he was an aggressive investigative reporter willing to print what powerful men wanted hidden. He died in 1803, but his career still stands as an early example of how personal exposés, partisan media, and political influence became intertwined in American public life.