espionage

Looks like it might have been taken at Dublin Castle or at an army barracks in Dublin. It identifies a few detectives from 'G Division' of the Dublin Metropolitan Police and other military figures, so it was probably used by IRA Intelligence, perhaps under the direction of Michael Collins.

#4 Col Johnstone en.wikipedia.org/wiki/Walter_Edgeworth-Johnstone

The yard at Dublin Castle: Streetview.

Here is some info on Cas[s]maker, the Auxiliary.

[NOTE: A number of comments, not really related to the image and not all reflective of the spirit/vision for this project, have been removed. Apologies if anyone's intervening comments have been errantly removed from the thread as a result]

Fantastic,thank you for sharing !!

"Big man". He looks like a bit of a tough guy! -- Seen in my contacts' photos. (?)

Nice

Nicholas Emil Herman Adolph Ahlers, according to The Democratic banner., December 29, 1914, Image 6 chroniclingamerica.loc.gov/lccn/sn88078751/1914-12-29/ed-... which uses this photo. Ahlers was a naturalized Englishman who was tried for high treason. The charge was that he kept Germany posted on military and diplomatic activities at the opening of WWI. From NYT of December 10, 1914 query.nytimes.com/gst/abstract.html?res=FA0F15FF3F5C13738... "Nicholas Ahlers, former German Consul in Sunderland, was today convicted by the Durham Assizes of high treason and sentenced to death. " But a few days later, on appeal, the sentence was annulled. Helping German citizens return home (which was actually consistent with a government order) was not necessarily hostile to British interests. And instructions to the jury seem to have been inadequate. See New-York tribune., December 19, 1914, Page 2 (column 6 towards bottom) chroniclingamerica.loc.gov/lccn/sn83030214/1914-12-19/ed-...

Thanks swanq, the first newspaper link with the identical photo is very helpful. We'll fix the spelling of his name.