Charles Dickens (1812-1870) was an English novelist and social critic, widely regarded as one of the greatest writers of the Victorian era. His works, including A Tale of Two Cities, Great Expectations, and A Christmas Carol, are known for their memorable characters, vivid depictions of social issues, and sharp critique of class disparities. Dickens' writing often highlighted the struggles of the poor, the injustices of the legal system, and the flaws of society, making him a powerful voice for reform. His works continue to be beloved for their humor, humanity, and social conscience.