Through the 1960s he worked in various repertory theaters in the United States, including the Pittsburgh Playhouse and the San Francisco Actor's Workshop.
His current political work focuses on two arenas: a just settlement between Palestine and Israel and what he considers to be crucially unanswered questions of 9/11.
In 1985, he enrolled in the Starr King School for the Ministry and became an ordained Unitarian Universalist minister in 1988,[citation needed] and was active in the church, but found it conflicted with his political work.
Estrin said that the concept, an outline and the opening episodes of Insect Dreams arrived in Vermont one morning at 3 AM, three weeks after he visited Kafka's grave.
In 1971, Dell Publishing released reCreation: Some Notes on What’s What and What You Might Be Able To Do About What’s What,[6] a Whole Earth Catalog-like book which fat acceptance movement has considered helpful.