Sir William Thomson, Baron Kelvin by T. & R. Annan & Sons

by Crash - uploaded on March 22, 2026, 5:59 pm

Source photo here: https://commons.wikimedia.org/wiki/File:Sir_William_Thomson,_Baron_Kelvin_by_T._%26_R._Annan_%26_Sons.jpg

This one had enough nodes to slow my computer down.