Who is this person?

[Joe Di Cola]

(03-09-2019 05:24 AM)RJNorton Wrote:  This question is "different" in that I am not looking for this person's name. If you can simply say a few words relating to who he is then you get the question right.

The person is unidentified and is looking at Wiliam Harlan, Mary Harlan Lincoln's younger brother. The photo was taken by Leisenring Bros in Mount Pleasant, Iowa. The photo of William was long-identified as the "last photo of Tad", but this is not the case.