International Physicians for the Prevention of Nuclear War (IPPNW) is a non-partisan federation of national medical groups in 63 countries, representing doctors, medical students, other health workers, and concerned people who share the goal of creating a more peaceful and secure world free from the threat of nuclear annihilation. The organization's headquarters is in Malden, Massachusetts. IPPNW was awarded the Nobel Peace Prize in 1985. The Nobel Peace Prize 1985, announced October 5, 1985. International Physicians for the Prevention of Nuclear War, “for spreading authoritative information and by creating awareness of the catastrophic consequences of nuclear war”. Wiki link Data: the Nobel Foundation (CC0).