The influence of Vannevar Bush on the history and institutions of twentieth-century American science and technology is staggeringly vast. Edited by Bush's biographer, G. Pascal Zachary, this collection presents more than fifty of Bush's most important works across four decades. Zachary's excellent selection and annotation of forty years of the foundational writings of Vannevar Bush lets us understand, from the pen of one of its architects, how the modern technological world came to be.