Lizzy Rockwell has illustrated more than thirty children's books, including How Do You Feel?, A Mammal Is an Animal, Plants Feed Me, A Bird Is a Bird, and I Love Insects with Holiday House. The daughter of highly acclaimed children's book author and illustrator Anne Rockwell and art director and illustrator Harlow Rockwell, Lizzy continues their legacy. She lives in Connecticut.

She has been Grand Rounds Lecturer at Yale Child Study Center (2016 and 2017), was keynote speaker at the University of Findlay Mazza Museum (2016), has delivered staff development workshops at Action for Bridgeport Community Development, the Early Childhood Resource Center at the New Haven Children's Museum (2017 and 2019), and Cooperative Educational Services, Trumbull, CT (2015), and has addressed the distinguished educators of the Delta Kappa Gamma Society (2018).