Theory of Light By Max Planck. 1932, First English edition. First Printing. What was Max Planck's idea about light? The German physicist Max Planck proposed a quantum theory of radiation to counter some of the difficulties associated with the wave theory of light, and in 1905 Einstein proposed that light is composed of quanta (later called photons). Over all book in very good condition, Dark green cloth. Pages are lightly tanned. Previous library copy with very minimal stamps as show in photos with front pastedown. Boards have moderate edge wear. Mild tanning to spine and edges. 21 figures in text. 216 pages, dimension: 22.0 x 15.0 cm. Please see & used photos for detail. Ship with tracked and full insure.