John A. Andrew was an American politician who served as the 26th Governor of Massachusetts from 1861 to 1866. He was a member of the Republican Party and played a significant role during the American Civil War, advocating for the Union cause and supporting the recruitment of soldiers. Born on May 31, 1818, in Windham, Maine, Andrew was known for his strong leadership and commitment to civil rights. He worked to improve the conditions of soldiers and their families, and his efforts earned him the nickname "the war governor." He passed away on October 30, 1867.