ALLEN was Major-General Ethan Allen (1748–89), an American Revolutionary soldier and author. With Benedict Arnold, he took Fort Ticonderoga in 1775. Later that year he was captured at Montreal, but was exchanged in 1778. In 1779 he published A Narrative of Col. Ethan Allen’s Captivity. Reason the Only Oracle of Man (1784), his outstanding book, expressed his Deism. He is mentioned in Blake’s America (14:2).