Alva Myrdal was a Swedish sociologist and politician, born on January 31, 1902. She is best known for her work in nuclear disarmament and her advocacy for peace. Myrdal received the Nobel Peace Prize in 1982 for her efforts in promoting global disarmament and her role in the United Nations. In addition to her peace activism, Myrdal was a prominent figure in social research. She contributed to the field of sociology and was involved in various governmental and international organizations. Her influential work helped shape policies related to social welfare and education in Sweden.