The radical scholar known for her critiques on race and class in America is Angela Davis. She has extensively analyzed the intersectionality of race and class through her work as an activist and academic. Davis’s writings, particularly in "Women, Race, & Class," delve into the history of Black women in the feminist movement, addressing issues such as political injustice and prison reform. Her critiques often focus on capitalism and systemic oppression, asserting that true liberation cannot be achieved without recognizing and addressing these intertwined systems of inequality.