Bertrand Russell (1872-1970) was a British philosopher, logician, mathematician, historian, and social critic. He is considered one of the most influential philosophers of the 20th century. Russell made significant contributions to various fields, including logic, philosophy of mathematics, philosophy of language, and epistemology.
Russell's influence extended beyond academia, and he was actively involved in public discourse on a wide range of issues. His works, both academic and popular, continue to be widely read and studied today.