The celebrated author known for critiquing capitalism through literature is Charles Dickens. Dickens used his novels, such as "Oliver Twist" and "A Christmas Carol," to highlight the harsh realities faced by the working class during the Victorian era. His storytelling painted vivid pictures of social injustices, poverty, and class struggle, urging readers to empathize with the plight of the marginalized. Through his work, Dickens advocated for social reform and change within the framework of society by portraying the impact of industrialization and economic disparity.