My mother has written that it's Dan on the very right of the picture, though he looks a little older than some of the others. According to my family tree he was only 44 when he died. I don't know a lot about him at all. Presumably he was married, but the family tree doesn't have any record of this at this point.
This other photo of Charles is in a heavy frame and the photo is very faded. However, I'm including it for posterity's sake....
