https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/13988337
A philosopher seated at a table covered with large folio volumes and a globe; right, a winding staircase. Etching by L. Surugue, 1753.
Original public domain image from Wellcome Collection
Public DomainFree CC0 image for Personal and Business use