Her masterwork was Angelica Kauffman: Art and sensibility, published by Yale University Press in 2006 which won the Historians of British Art Book Award in the pre-1800 category in 2007.
She married Adrian Randolph, also an art historian and professor at Dartmouth College.
[1] Rosenthal taught at the Staatsgalerie Saarbrucken and at Northwestern University[2] before joining Dartmouth College in 1997[3] where she was an associate professor of art history.
[4] She edited a book of essays on William Hogarth and was an expert on the Austrian painter Angelica Kauffman about whom she produced several books, including her authoritative Angelica Kauffman: Art and sensibility that was published by Yale University Press in association with the Paul Mellon Centre for Studies in British Art in 2006.
In 2013, a book that Rosenthal had been editing at the time of her death with Agnes Lugo-Ortiz on slave portraits in the Atlantic world was published,[6] and in 2015, an edited work on humour in the visual arts was completed by her husband Adrian Randolph and published by the Dartmouth College Press.