In this presentation from the 2022 Lincoln Forum, Christopher Oakley discusses the results of his analysis of where Lincoln stood when he delivered the Gettysburg Address.
The video’s description reads, “Historian Christopher Oakley talked about how he used 3D technology with period photographs to reveal where Lincoln stood when he delivered the Gettysburg Address in 1863. The Lincoln Forum in Gettysburg, Pennsylvania, hosted this event.”
https://www.c-span.org/video/?524210-2/2022-lincoln-forum-photo-lincoln-gettysburg
Student of the American Civil War 