Shell Shock on the battlefield - source of this photo?

[Lagami]

http://4.bp.blogspot.com/-z30kQybkGLo/U ... ,+1916.jpg

Most of you probably know this photo.

I fail to find any source on this photo on who shot it and about who is depicted on it.
Is it really someone who went mentally insane on the Battlefield?

Anyone knows more about this photo?

[Orwell1984]

Your picture is a blown up section of a picture showing Canadian wounded at the battle of Courcelette, September 1916

Here's the uncropped image [look at the man being treated on the left side of the image]



Larger version on this page:
http://ww1.canada.com/battlefront/unpre ... used-today

and included in this article from the Canadian War Museum
http://www.warmuseum.ca/firstworldwar/h ... urcelette/

Photo credit is

Code: Select all

PHOTO: LIBRARY AND ARCHIVES CANADA—PA000909

Another image from the same series from a different angle showing the man in question again, crouched and being treated