Nathaniel Bowditch of Salem and Boston Navigator, Etc. is a biographical work written by Augustus P. Loring. The book tells the story of Nathaniel Bowditch, a prominent American mathematician, astronomer, and navigator who lived in the late 18th and early 19th centuries. Born in Salem, Massachusetts, Bowditch was largely self-taught and went on to make significant contributions to the fields of navigation and mathematics. He is best known for his work on the American Practical Navigator, a guide to navigation that is still in use today. The book explores Bowditch's life and career, including his childhood in Salem, his work as a sailor and navigator, and his time as a professor at Harvard University. It also delves into his personal life, including his marriage and family, as well as his involvement in various social and political causes. Through the lens of Bowditch's life, the book provides a fascinating look at the history of science and navigation in America during the early years