About the film
Lambert & Stamp is a 2014 American documentary film, produced and directed by James D. Cooper. The film had its world premiere at 2014 Sundance Film Festival on January 20, 2014.
After its premiere at Sundance Film Festival, Sony Pictures Classics acquired the distribution rights of the film. The film later screened at 2014 Sundance London Film Festival on April 18, 2014. The film had its theatrical release in United States on April 3, 2015.
From the film's Wikipedia article (CC BY-SA 4.0).