https://today-in-wwi.tumblr.com/post/144234528063/karl-schwarzschild-dies https://today-in-wwi.tumblr.com/post/144234528063/karl-schwa... Looks like the BBC us

https://today-in-wwi.tumblr.com/post/144234528063/karl-schwarzschild-dies https://today-in-wwi.tumblr.com/post/144234528063/karl-schwa... Looks like the BBC used this photo as reference for the drawing.