English: A photograph of the Finnish academic Fredrik Elfving (1854–1942) at age 26 in 1880. Photo taken by Finnish photographer Gösta Florman (1831-1900).
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Under the following conditions:
attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.
share alike – If you remix, transform, or build upon the material, you must distribute your contributions under the
same or compatible license as the original.
Overwriting image with better resolution version of the image from https://finna.fi/Record/museovirasto.050E4B5FF2CC2071E22002C3C86E74A0 ; Licence in Finna CC BY 4.0