What did Thur good Marshall have to do with Brown vs Education?

Thurgood Marshall was the lead attorney for the NAACP Legal Defense and Educational Fund in the landmark case Brown v. Board of Education. He argued that racial segregation in public schools violated the Equal Protection Clause of the Fourteenth Amendment, asserting that separate educational facilities are inherently unequal. The Supreme Court's unanimous decision in 1954 ultimately declared that segregation in public schools was unconstitutional, marking a significant victory in the Civil Rights Movement. Marshall's efforts significantly contributed to the dismantling of legalized racial segregation in the United States.