WPSR is the Washington state chapter of Physicians for Social Responsibility (PSR). Physicians for Social Responsibility has been working for more than 50 years to create a healthy, just and peaceful world for both the present and future generations.

PSR is the U.S. affiliate of International Physicians for the Prevention of Nuclear War. IPPNW is a non-partisan federation of national medical groups in 64 countries, representing tens of thousands of doctors, medical students, other health workers, and concerned citizens who share the common goal of creating a more peaceful and secure world freed from the threat of nuclear annihilation.