Reply to comment
Taken about the time of WWI. He appears to be next to a boiler of some kind.
Frank was the son of Henry C. Dreher, Sr. and Josephine Sophie Benzel Dreher.
He married  Bertha Butler, and they had a daughter, Evelyn Louise Dreher. He married  Florence Lacy Allen.
Frank was born in Kentucky and died in Waco, McLennan County, Texas.