Background
Sanger was born on November 27, 1819 in Dover, Massachusetts.
Sanger was born on November 27, 1819 in Dover, Massachusetts.
He graduated from Harvard University in 1840 and after spending two years as a teacher in Portsmouth, New Hampshire, returned to Harvard as a Latin tutor and a law student. Sanger graduated from Harvard Law School in 1844 and was admitted to the bar in 1846.
He spent the next three years practicing law in Boston, first with Stephen Henry Phillips, and later with Charles G. Davis. In 1849 Sanger was named Assistant United States Attorney for the District of Massachusetts. In January 1853, he was appointed to the staff of Governor John H. Clifford.
In September of that year he was appointed District Attorney for Suffolk County, Massachusetts.
The following year he was appointed Judge of the Massachusetts Court of Common Pleas. He remained on the bench until the Court was abolished in 1859.
From 1861 to 1869 Sanger again served as District Attorney for Suffolk County, Massachusetts. Following the death of David H. Mason, Sanger was appointed by President Ulysses South. Grant to succeed him as United States Attorney for the District of Massachusetts.
He remained in this role until 1882.
Sanger worked for Little, Brown and Company, where he was responsible for editing the Law Reporter and The United States Statutes at Large. From 1842 to 1860 he was the editor of the American Almanac. On October 14, 1862, the John Hancock Mutual Life Insurance Company"s Board of Directors elected Sanger the first president of the company.
He held this position until August 1863.
Sanger died on July 3, 1890 in Swampscott, Massachusetts.
Sanger was a member of the Charlestown, Massachusetts Common Council from 1849 to 1850 and the Board of Aldermen from 1851 to 1853. In 1860 he was a member of the Boston Common Council. In 1873 he was a member of the Massachusetts House of Representatives.