K. Wang

Inspired by Albert Einstein's theory of relativity and Bertrand Russell and David Hilbert's pursuit of the fundamental rules of mathematics, some of the most brilliant minds of the generation came together in post-World War I Vienna to present the latest theories in mathematics, science, and philosophy and to build a strong foundation for scientific investigation. Composed of such luminaries as Kurt Gödel and Rudolf Carnap, and stimulated by the works of Ludwig Wittgenstein and Karl Popper, the Vienna Circle left an indelible mark on science.

In this dynamic and engaging biography, Anthony Everitt plunges us into the fascinating, scandal-ridden world of ancient Rome in its most glorious heyday. Accessible to us through his legendary speeches but also through an unrivaled collection of unguarded letters to his close friend Atticus, Cicero comes to life here as a witty and cunning political operator.

No skill is more important in today's world than being able to think about, understand, and act on information in an effective and responsible way. What's more, at no point in human history have we had access to so much information, with such relative ease, as we do in the 21st century. But because misinformation out there has increased as well, critical thinking is more important than ever. These 24 rewarding lectures equip you with the knowledge and techniques you need to become a savvier, sharper critical thinker in your professional and personal life.

Though unappreciated in his own time, Johann Sebastian Bach has ascended to Olympian heights, the verdict of contemporary audiences long since overruled by succeeding generations of music lovers. But what makes his music great? In this series of 32 lectures, a working composer and musicologist brings his exceptional teaching skills to the task of helping you hear the extraordinary sweep of Bach's music. You'll understand the compositional language that enabled him to compose such extravagant, unbridled music while still maintaining precise control of every aspect - beat, melody, melodic repetition, interaction, and harmony.