James B. Longacre was an American engraver and coin designer, best known for his work as the Chief Engraver of the United States Mint from 1844 until his death in 1849. He created several notable coins, including the famous Seated Liberty series, which featured a depiction of Lady Liberty seated on a rock. Longacre's designs are celebrated for their artistic quality and attention to detail. Born on August 11, 1794, in Delaware, Longacre initially worked as a portrait painter before transitioning to engraving. His contributions to American numismatics have left a lasting legacy, influencing coin design in the United States for years to come. Longacre passed away on January 1, 1849, but his work continues to be appreciated by collectors and historians alike.