“ He was educated at the U. S. military academy, resigned, was consul to Bremen in 1842, and was appointed to negotiate commercial treaties with Hanover, Oldenburg, and Mecklenburg in 1845, accredited to all the German states, except Prussia, for the same object in 1847, and became commissioner to Hungary in 1849. He was U. S. minister to Switzerland in 1850, and negotiated a reciprocity treaty. On returning home he became assistant secretary of state, serving till 1856. ”