The following license was established by personal communication between the copyright holder and User UW from the German Wikipedia (who should be contacted for any inquiries about the license).
The copyright holder of this file allows anyone to use it for any purpose, provided that "Paul Custodio Bube, Lyon College" is credited as the creator of the picture with any use.
Please check that the conditions given above are compliant to the Commons licensing policy. Most importantly, derivative work and commercial use must be allowed.