'Principia Mathematica' is written by -

• 'Principia Mathematica' is written by - Bertrand Russell.
• Bertrand Russell, in full Bertrand Arthur William Russell, is a British philosopher logician, and social reformer, founding figure in the analytic movement in Anglo-American philosophy.
- Russell’s contributions to Logic, epistemology, and philosophy in mathematics established him as one of the foremost philosophers of the 20th century.
- সাহিত্যিক না হয়েও ১৯৫০ সালে তিনি সাহিত্যে Noble prize লাভ করেন।

• Russell's Some notable works -
- Principia Mathematica
- Mysticism and Logic.
- History of Modern Philosophy
- The Analysis of Mind
- Authority and the Individual.
- The Future of Mankind

Source: An ABC of English Literature by Dr M Mofizar Rahman and Britannica.