CYRUS BALLOU COMSTOCK - (1831-unknown) - Army Engineer, born West Wrantham, Mass. Graduated at West Point (1855), worked on construction of forts, made acting assistant professor of natural and experimental philosophy at the Military Academy (1859), and ordered to Washington to serve in defenses of Capitol (1861). In army of Potomac (1862), transferred to army of the Tennessee, and later (1864) made senior aide-de-camp to Grant, serving in the Richmond, Ft. Fisher, and Mobile campaigns. Aide to general-in-chief in Wasington (1866-70) and afterward chief of the geodetic survey of the Great Lakes. Member of Mississippi river commission, elected member of National academy of sciences. Retired (1895) as colonel in regular army and brevett brigadier-general.