Ruff has been an active member of the Medical Association for Prevention of War in Australia for over three decades and is a co-president of International Physicians for the Prevention of Nuclear War ( IPPNW ) . He helped establish the International Campaign to Abolish Nuclear Weapons ( ICAN ) and was its founding chair . He remains a member of the ICAN Australia Committee and ICAN 's International Steering Group . In 2010 , he told the '' Sydney Morning Herald '' : " We 've come a long way . The numbers of nuclear weapons have been reduced from the peak of 70,000 in 1986 to about 23,000 - that 's a drastic reduction . " Ruff co-authored an article with former Australian Prime Minister Malcolm Fraser entitled " 2015 is the year to ban nuclear weapons . " In 2017 , Ruff expressed his pride at the work of ICAN and its receipt of the 2017 Nobel Peace Prize for “ its work to draw attention to the catastrophic humanitarian consequences of any use of nuclear weapons and for its ground-breaking efforts to achieve a treaty-based prohibition of such weapons ”
2017 Nobel Peace Prize
2017 Nobel Peace Prize
Tilman Ruff