• 'Mysticism and Logic' 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 MankindSource: An ABC of English Literature by Dr M Mofizar Rahman and Britannica.