![](http://www.alamy.com/thumbs/6/A34DDF60-6E3A-4C81-875E-DB0CE9B3F630/KCR795.jpg)
ETH BIB Paul Armand Challemel Lacour (1827 1896), Professor am eidg. Polytechnikum 1856 1859 Portrait Portr
Size: 1340px × 1865px
Photo credit: © Historic Collection / Alamy / Afripics
License: Licensed
Model Released: No
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