Erving Polster, PhD, is a teacher of gestalt therapy. He has attracted students from all over the globe to his homebase in San Diego. He is the author of five books, including the classic Gestalt Therapy Integrated: Contours of Theory & Practice, Uncommon Ground: To Enhance Everyday Living, and From the Radical Center: The Heart of Gestalt Therapy, as well as numerous anthology chapters. He and his late wife Miriam codirected the Gestalt Training Center of San Diego.

Miriam Polster was a teacher and a gestalt therapist. She and her husband, Erving, founded the Gestalt Training Center in La Jolla, California. In her youth, Dr. Polster was a gifted soprano, and she received a bachelor's degree in music at Miami University of Ohio. In 1967 she earned her doctorate at Case Western Reserve University. In addition to her work in gestalt therapy, she also published the book, Eve's Daughters: The Forbidden Heroism of Women. She received a certificate of special recognition from the US House of Representatives in 1999 and the Lifelong Commitment to Gestalt Therapy Award in 2000 from the Gestalt Therapy Conference in Montreal.