Isaiah Berlin (1909–1997) was one of the most important philosophers of the twentieth century. A Fellow of All Souls College, Oxford, he was renowned as an essayist and as the author of many books, among them Karl Marx, Four Essays on Liberty, Russian Thinkers, The Sense of Reality, The Proper Study of Mankind, and from Princeton, Concepts and Categories, Personal Impressions, The Crooked Timber of Humanity, The Roots of Romanticism, The Power of...

"This is the story of Marcel Duchamp and how the Dada art movement changed the way people thought about what art could be and what could be art. From drawing a mustache on the Mona Lisa to attaching a bicycle wheel to a stool, Duchamp challenged long-held notions of art and how it should be made. People were amused, confused, and sometimes offended, and that was just the way Marcel Duchamp liked it. With Marcel's Masterpiece, Jeff Mack explores Duchamp's...