The name "Calvin" is written on the back of the left photo. Right photo appears to show same 3 men 10 years later.
Clothing in the left photo varies from 1870's to early 1880's. Clothing in right photo dates 1890's.
I will propose the middle man in the right photo is George H. Edgerton, and the others his brothers
See George H. Edgerton at age 13 ?
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