Sarah Jane Vowell is an American historian, writer, journalist, radio personality, social commentator, and actress. She has written seven nonfiction books focused on American history and culture. Vowell was a contributing editor for the radio program This American Life on Public Radio International from 1996 to 2008, where she produced commentaries and documentaries. She is also known for her work as a voice actress, providing the voice of Violet Parr in the 2004 animated film The Incredibles and reprising the role in its 2018 sequel.