The Old Quantum Theory by D. ter Haar - Paperback - Classic Physics Text Explore the foundations of modern physics with The Old Quantum Theory by D. ter Haar, a key title in the Commonwealth and International Library: Selected Readings in Physics series. This book offers a detailed account of the early development of quantum theory, making it an essential read for students, researchers, and enthusiasts of the history of science. Product Details: Title: The Old Quantum Theory Author: D. ter Haar Publisher: Elsevier Edition: Revised Format: Paperback Pages: 216 ISBN: 9781483151960 Condition: Very good used condition - see images (slightly discoloured due to age - yellowing) Description: This book traces the evolution of quantum theory from the late 19th century to the early 20th century. It covers: Planck’s radiation law and the birth of quantum ideas Einstein’s quantum hypothesis Rutherford’s atomic model Bohr’s postulates and their experimental confirmation The explanation of atomic spectra A summary of other key developments leading up to wave mechanics Ideal for those studying the history of quantum mechanics, this volume provides both technical insight and historical context.