What is the background on who these prisoners were and what happened to them later. I would like to read some follow up on this if anyone can direct me. Thanks
Here's Buckeye Bill's thread where I got the idea to take the Black & White plaque to the exact location where the Brady photo was taken.
Also there's some background info about them .
Gettysburg National Military Park : Seminary Ridge (Then & Now) | Contemporary Photos of Sites & Events
* Matthew Brady's photo of 3 Confederate Soldiers (Prisoners) at Seminary Ridge. * Then (1863). * Now (2017).