... Hooker was assistant adjutant general on the staff of General Persifor F. Smith; Gideon J. Pillow was brevetted three times. Ambrose E. Burnside joined the army on its march, with some recruits. Winfield Scott Hancock was there as second lieutenant, Sixth Infantry, twenty-three years of age, and was brevetted for his conduct at Contreras and Churubusco. There too was Albert Sidney Johnston of the First (Texas) R...