A concise, uncluttered edition for the modern reader, with a new introduction. Quantum Theory contains two foundational works of quantum research from the early years of the 20th Century, representing breakthroughs in science that radically altered the landscape of modern knowledge: Quantum Theory of Line-Spectra by Niels Bohr and The Origin and Development of the Quantum Theory by Max Planck. The FLAME TREE Foundations series features core publications which together have shaped the cultural landscape of the modern world, with cutting-edge research distilled into pocket guides designed to be both accessible and informative.

Originally published in 1931, this volume was created to mark the centenary of James Clerk Maxwell's birth. Comprised of ten essays dealing with various aspects of Maxwell's life and achievements, the text includes contributions from the following figures: J. J. Thomson; Max Planck; Albert Einstein; Joseph Larmor; James Jeans; William Garnett; Ambrose Fleming; Oliver Lodge; Richard Glazebrook; Horace Lamb. This book will be of value to anyone with an interest in Maxwell and his key role in the development of physics and mathematics.