Penguin Rep Theatre, the award-winning professional Equity theater under the leadership of founding artistic director Joe Brancato and executive director Andrew M. Horn, opens its 41st season with the New York premiere of “Relativity.” The new play, by Mark St. Germain, is about Albert Einstein. It opened on May 18 and has a limited run through June 10. The cast under Mr. Brancato’s direction includes Celeste Ciulla as Margaret Harding, Susan Pellegrino as Miss Dukas, and Robert Zukerman as Einstein.

The Penguin Rep Theatre is in historic Stony Point in Rockland County. For tickets or information, go to www.penguinrep.org or call (845) 786-2873.