Andover (ănˈdōvər) [key], town (1990 pop. 29,151), Essex co., NE Mass.; inc. 1646. Chiefly a textile producer in the 19th cent., Andover now makes toiletries, electronic and computer equipment, chemicals, medical instruments, rubber products, and shoes. Two preparatory schools (Phillips Andover Academy, 1778, for boys; and Abbot Academy, 1829, for girls) in Andover merged in 1973. The Addison Gallery of American Art and the Robert S. Peabody Foundation archaeological museum are on the Phillips Andover campus. In 1832, Samuel Francis Smith wrote the words for "America" in Andover. Harriet Beecher Stowe lived in the town and is buried there.