Scholarship
Gouverneur Warren, Battle of Gettysburg (American National Biography)
D. Scott Hartwig, "Warren, Gouverneur Kemble," American National Biography Online, February 2000, http://www.anb.org/articles/05/05-00822.html.
.
Warren provided important service during the Chancellorsville campaign, but he won his greatest glory at the battle of Gettysburg. On the second day of the battle Warren was sent, at his own request, to examine the left of the Union lines. He proceeded to Little Round Top, a commanding promontory at the base of the Union position, and discovered no troops upon it. He observed that the advancing Confederate forces would outflank the Union line and seize Little Round Top, which would render the Union position at Gettysburg untenable.