Francis David Peat (1938 – 2017) was a holistic physicist and author who has carried out research in solid state physics and the foundation of quantum theory. He was director of the Pari Center for New Learning, which is located in the village of Pari near Grosseto in Tuscany, Italy. He was adjunct professor at the California Institute of Integral Studies and Schumacher College, a Fellow of the World Academy of Art and Science and a Distinguished Fellow at the University of South Africa.