Citation

Voluntarily commanded a boat crew, which went to the rescue of a large number of Union soldiers on board the stranded steamer Boston, and with great gallantry succeeded in conveying them to shore, being exposed during the entire time to heavy fire from a Confederate battery.

http://www.cmohs.org/recipient-detail/177/brush-george-w.php

http://en.wikipedia.org/wiki/George_W._Brush

George Washington Brush (October 4, 1842 – November 18, 1927) was an American soldier, dentist, physician and politician. He served as a captain of a black company in the 34th Infantry Regiment U.S. Colored Troops in the Union Army during the American Civil War and received the Medal of Honor. After the war he became first a dentist and then a physician. He was elected to the New York State Assembly and then the State Senate. As chairman of the Senate Health Committee he helped establish the State Tuberculosis Sanatorium at Saranac Lake.