of G. W. Burnet, a young lawyer of Cincinnati. Sophia was born in Rhode Island, the daughter of Charles Greene, a member of the Ohio Company who had removed to Marietta in 1788. Daniel Cooper built his "elegant mansion" of hewn logs and lined with cherry planks on the southwest corner of Ludlow and First streets in Dayton, and there he lived with his family until his death. After Daniel Cooper's death, Mrs. Cooper married Gen. Fielding Lowry. Daniel and Sophia Cooper had six children, all of them dying in childhood except David Zeigler Cooper, who was born November 8, 1812, married Miss Letitia Smith in Philadelphia, and died in Dayton, December 4, 1836. Cooper helped found the Dayton Academy, Dayton's first school to educate the boys of the town, by donating the land and bell in 1807. He operated a general store, and, when troops were stationed in Dayton during the War of 1812, organized the idle soldiers to build a levee at the turn of the Great Miami River to protect the village from flooding. From about 1805 and for many years, he operated gristmills, sawmills and a carding and fulling mill in Dayton. He donated the land for the Dayton Hydraulic, which became the waterpower source for early manufacturing in the town. Daniel C. Cooper was politically active from the time he became Proprietor until his death. Cooper represented Montgomery County in the Third General Assembly of Ohio convened at Chillicothe the first Monday in December 1804. He was elected to the Sixth Assembly convened at Chillicothe December 7, 1807, was elected to the Ohio State Senate from the district composed of Miami, Montgomery and Preble Counties to the Seventh General Assembly, convened at Chillicothe December 5, 1808, and was re-elected Senator to the Eighth Assembly, convened at Chillicothe the first Monday in December 1809. In 1810, he was President of the Select Council of Dayton. As representative of the county, he was a member of the Twelfth Assembly, convened at Chillicothe December 6, 1813. He was Senator in the Fourteenth Assembly, convened at Chillicothe December 4, 1815, and was re elected to the Fifteenth General Assembly, convened at Columbus the then-new capital of the State December 2, 1816. In May 1815, Daniel Cooper laid out the lots to the east of Dayton, including today’s Oregon District. He was appointed a Trustee of Miami University on February