The memoir of Nels Wheeler is posted here. The following biographical sketch of Wheeler is taken from "Wisconsin Genealogy Trails":
"Nels W. Wheeler, lawyer, Chippewa Falls, was born in Sturbridge, Worcester County, Massachusetts, June 29, 1828, being a son of Hosea Wheeler, who died in 1862, aged sixty-four years. Mr. Nels Wheeler was in Yorkshire, Cattaraugus County, New York, for a years prior to coming to Wisconsin in 1841. He located in the town of Somerville, Rock County, at the east end of Jefferson prairie, in the Spring of that year. In 1847, he entered the office of Judge Keep, and remained with him until the Spring of 1850, when he went to Monroe, Green County, and was in the office of Machin & Finch until April, 1851, when he went to Baraboo, and in 1873 came from there to Chippewa Falls. Mr. Wheeler was District Attorney for nine years in Sauk County. He is a member of the A.F. & A.M. He was married in the town of Greenfield, Sauk County, in February, 1866, to Victoria W. Peck, who was the first white child born in Madison, in September, 1837. Mr. Wheeler was first married in January, 1852, and had two children by that marriage, a son and a daughter, twins now twenty-five years of age."