SAMUEL CALVIN BLACK, one of the substantial and representative citizens of Logan Township, Blair County, Pa., is proprietor of a tannery, which he operates in connection with farming. He was born August 14, 1845, on his present place, a son of William and Mary (Pottsgrove) Black. William Black was born March 14, 1799, in Sinking Valley, Blair County, Pa., and was a son of Christopher Black, who came to this county from Cumberland County, Pa., and here operated a tannery for some years. William Black was also a tanner and about 1844 came to Logan Township and located on the farm now owned by our subject. This farm, consisting of 40 acres, of which ten acres were timber, is located on the Greenwood road, and was bought by our subject's father from a Mr. Green. He erected a barn and stone house, and died here in the fall of 1867. Samuel C. Black was reared on his present farm and educated in the local schools. He learned the tanners' trade under his father, and has always conducted a tannery in connection with general farming. His residence, which was built by his father in 1859, has been remodeled and equipped with modern conveniences, including running hot and cold water. Mr. Black is actively identified with the Republican party in politics, and has served for 23 years as a member of the school board, of which he is now president. He has been largely instrumental in obtaining fine schools for the township, and has otherwise been prominent in affairs pertaining to the welfare of Logan Township. He is president of the road supervisors of this township.