![](http://www.alamy.com/thumbs/6/4C97F020-238D-4196-BE72-16158802F512/2F537JD.jpg)
Portrait Karl Neumann (1829-1880, mathematician, school director). Member of the scientific society "Isis" in Dresden from 1859. Albumin paper on cardboard; x cm. Recording: Krone, Hermann, around 1860. Dresden: Slub
Size: 1912px × 2614px
Photo credit: © BTEU/Gerfototek / Alamy / Afripics
License: Licensed
Model Released: No
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