Armstrong teaches and writes about 19th-century French art, the history of photography, the history and practice of art criticism, feminist theory and women and gender representation in visual culture.
[1] Armstrong received her Ph.D. from Princeton University's Department of Art and Archaeology.
[2] Armstrong taught at the University of California, Berkeley, where she was a Townsend Fellow, and received tenure in 1990.
[2] She joined the tenured faculty at Princeton University and became the Doris Stevens Professor of Women's Studies in 1999.
[6] She was awarded the Charles Rufus Morey Book Award in 1993 from the College Arts Association for her book Odd Man Out: Readings of the Work and Reputation of Edgar Degas, published by the University of Chicago Press.