She Painted the First Known Self-Portrait of an Artist at Work—and Signed It—Nearly 500 Years Ago. Who Was Catharina van Hemessen?

Few women worked as professional artists in the 16th century. A new exhibition in Antwerp, Belgium, seeks to restore this Flemish painter to the pantheon of art history giants When Catharina van Hemessen was 20, she painted what is widely believed to be the earliest known...