Benjamin Tallmadge was a member of the United States House of Representatives and the head of intelligence for the Continental Army in Assassin's Creed III. Despite his father being born an assassin, Tallmadge chose not to join the brotherhood in order to have a family someday.
Tallmadge was responsible for helping Connor Kenway uncovered a plot to kill George Washington and helped him gather evidence by leading him to Thomas Hickey.