|←Author Index: Ep||Martin Otto Eppenstein
|German physicist specializing in optics. Ph.D. (Jena, 1900); member of the scientific staff at Zeiss's optical works, Jena.|
This author wrote articles for the 1911 Encyclopædia Britannica.
Articles attributed to this author are designated in EB1911 by the initials "O. E."
- (The 1911 Encyclopædia Britannica has in volume 1 (page xxx) the error "S. Otto Eppenstein" instead of "M. Otto Eppenstein".)
- editor of 2nd edition of Grundzüge der Theorie der optischen Instrumente nach Abbe (1904)