Complex sentence: On the death of the first chief coiner, Henry Voigt, in early 1814, Eckfeldt was appointed by President James Madison as successor, and served in that capacity for a quarter century.
Split into simpler sentences: On the death of the first chief coiner, Henry Voigt, in early 1814, Eckfeldt was appointed by President James Madison as successor. He served in that capacity for a quarter century.