political concern. During the Cold War, she and her husband protested against nuclear armament and worked to increase public awareness of the danger of nuclear war. Even after Linus Pauling came under fire from the Senate Internal Security Subcommittee, or SISS, the Paulings continued to campaign for global peace. Ava Helen Pauling traveled throughout the United States and Europe giving speeches emphasizing the importance of peace. She was also instrumental in bringing together various groups in marches and rallies to protest U.S. military policy and McCarthyism. After collecting over 9,000 signatures from scientists worldwide, in 1958 the Paulings presented the United Nations with a petition demanding an end to atmospheric nuclear weapons testing. In 1963, President John F. Kennedy and Nikita Khrushchev signed the Partial Test Ban Treaty. The signing of this treaty directly resulted in Linus Pauling's receipt of the 1962 Nobel Peace Prize, his second unshared Nobel Prize. In an interview which aired on the Nova TV series in 1977, Ava Helen Pauling explained: Writing In addition to her social activism, Ava Helen Pauling published a number of articles in various journals such as Soviet Woman and the Peacemaker. In 2006, Oregon State University Press published a detailed bibliography listing Ava Helen Pauling's published works; in a five volume series titled The Pauling Catalogue, Volume III contains "writings by Ava Helen Pauling on issues of peace, civil liberties and women's rights." In the 2013 biography Ava Helen Pauling: Partner, Activist, Visionary, Mina Carson describes Ava Helen Pauling's writing style, stating that "Ava Helen's paper on women 'The Second X Chromosome,' used simple language to deliver a confident and impassioned assertion that it was time for all women to receive the equal standing and opportunities to which, in many places, their legal status already entitled them. Following her initial drafts through her final typed presentation for distribution, it is evident that she wrote easily when she was excited, in many cases framing the ultimate argument in her first handwritten draft." Death and legacy Ava Helen Pauling died on December 7, 1981, at age 77, after a long battle with stomach cancer and subsequent internal hemorrhaging. In recognition of her efforts for peace and equality, Oregon State University's College of Liberal Arts established the Ava Helen Pauling Lectureship on World Peace, now known as the Pauling Peace Lectureship, in 1982. The inaugural lecturer was Linus Pauling and subsequent lecturers have