Notable 19th-century alumni included Albert James Myer, Class of 1847, a military officer assigned to run the United States Weather Bureau at its inception, was a founding member of the International Meteorological Organization, and helped birth the U.S. Signal Corps, and for whom Fort Myer, Virginia, is named; General E. S. Bragg of the Class of 1848, colonel of the Sixth Wisconsin Regiment and a brigadier general in command of the Iron Brigade who served one term in Congress and later was ambassador to Mexico and consul general of the U.S. in Cuba; two other 1848 graduates, Clarence A. Seward and Thomas M. Griffith, who were assistant secretary of state and builder of the first national railroad across the Mississippi River, respectively; and Charles J. Folger, Class of 1836, a United States Secretary of the Treasury in the 1880s.