This photo was taken at Mangum, Oklahoma. Charles B Wilson is on the right. The identity of the young man on the left is unknown. The back of the photo has the following inscription:
"Dad age 19 taken at Mangram, Okla"
The photo was taken about 1895 if Charles was 19 years old at the time.
If anyone has additional information about the photo or knows the identity of the young man on the left, please leave a comment. Thanks.