The prominent sociologist associated with issues of race and racism is W.E.B. Du Bois. He was a pioneering scholar who significantly shaped our understanding of social conditions and the African American experience in the United States. His seminal work, "The Souls of Black Folk," explored the concept of double consciousness, reflecting the internal conflict faced by African Americans. Du Bois was also a co-founder of the NAACP, advocating for civil rights and social justice. His legacy endures as a foundational figure in sociology and multicultural studies.