Photo by Heid

I've posted photos by Hermann Heid of this late 19th C. bodybuilder before, but this 

"new" one is sort of special.  First, we can see the lines an artist drew to help with 

enlarging the image for a drawing or painting.  Second, a name is given, Schulz.

Also, he's the only Heid model I've come across who didn't pose nude.