Mary Tyler Peabody Mann
Mary Tyler Mann was an American teacher, author, and reformer. Mary was one of three Peabody sisters who were influential women of their day in education, literature, and art. Like her sister Elizabeth, she was a leader in education reform and establishment of kindergartens. Sophia was an artist and the wife of Nathaniel Hawthorne. Mary was a participant in the Transcendentalism Movement. She was an abolitionist. She supported the work of her husband Horace Mann, an American education reformer and politician, as well as Henry David Thoreau, Nathaniel Hawthorne, and Sarah Winnemucca.
Wikipedia