The Jacob Woodruff House is a two-story octagonal house constructed of concrete walls, featuring a large, windowed cupola

Cupola

In architecture, a cupola is a small, most-often dome-like, structure on top of a building. Often used to provide a lookout or to admit light and air, it usually crowns a larger roof or dome....

, and metal roof. It is located in Ripon

Ripon, Wisconsin

Ripon is a city in Fond du Lac County, Wisconsin, United States. As of the 2000 census, the city population was 6,828. The City of Ripon's official website claims the city's current population to be 7,701. The city is surrounded by the Town of Ripon....

 in the U.S.

United States

The United States of America is a federal constitutional republic comprising fifty states and a federal district...

 state of Wisconsin

Wisconsin

Wisconsin is a U.S. state located in the north-central United States and is part of the Midwest. It is bordered by Minnesota to the west, Iowa to the southwest, Illinois to the south, Lake Michigan to the east, Michigan to the northeast, and Lake Superior to the north. Wisconsin's capital is...

, and is listed on the National Register of Historic Places

National Register of Historic Places

The National Register of Historic Places is the United States government's official list of districts, sites, buildings, structures, and objects deemed worthy of preservation...

. Jacob Woodruff was a member of and the librarian for the Wisconsin Phalanx in 1846, a communal

Communism

Communism is a social, political and economic ideology that aims at the establishment of a classless, moneyless, revolutionary and stateless socialist society structured upon common ownership of the means of production...

 society based on the philosophy of Charles Fourier

Charles Fourier

François Marie Charles Fourier was a French philosopher. An influential thinker, some of Fourier's social and moral views, held to be radical in his lifetime, have become main currents in modern society...

, a French

France

The French Republic , The French Republic , The French Republic , (commonly known as France , is a unitary semi-presidential republic in Western Europe with several overseas territories and islands located on other continents and in the Indian, Pacific, and Atlantic oceans. Metropolitan France...

socialist.