The notable figure known for their extensive research on poverty and social inequality is William Julius Wilson. A prominent sociologist, Wilson's works, particularly "The Truly Disadvantaged," analyze the effects of economic isolation and systemic discrimination on urban communities. He explores the connections between class and race, emphasizing how policy decisions shape social stratification. His research has profoundly impacted discussions on poverty alleviation and social policy, highlighting the need for comprehensive approaches to address these complex issues. Wilson's contributions continue to influence scholars and policymakers alike.