Karl Gunnar Myrdal was a Swedish economist, sociologist, and politician who is best known for his influential work on race relations and inequality. His most famous book, "An American Dilemma," explored the institutionalized racism in the United States and was a groundbreaking critique of segregation. Synonyms for Myrdal include social critic, public intellectual, thinker, and reformer. He was also a Nobel Prize winner in economics and a politician who was active in Sweden's Social Democratic Party. Myrdal's work continues to inspire scholars and activists to this day, as he provided a powerful voice in the fight against injustice and inequality.