Diane Papalia ZappaDiane Papalia Zappa earned her PhD in lifespan developmental psychology in 1971. She went on to teach human development courses to thousands of students at the University of Wisconsin-Madison, attaining the rank of tenured full professor of child andfamily studies at the age of 30. While in Madison, she and co-author Sally Wendkos Olds wrote A Child's World (now in its thirteenth edition) and Human Development (in its fifteenth edition). Her memoir, The Married Widow, was published in 2021. In 1986, while still a professor in Madison, she met Frank Zappa's younger brother, Bob, who was the marketing manager for one of her books. They married in 2015. Read More Read Less