Description

Photogravure portrait of Max Planck (1858-1947).

"R. Dührkoop phot. // 8175. // Planck // Photographische Gesellschaft in Berlin"

Note on back: "please return to DJ Lovell".

Additional Information

From the collection of D. J. Lovell, author of "Optical Anecdotes" (International Society for Optical Engineering, 1981). This image was used as an illustration on page 107.