Rapp, George, German fanatic, born in Würtemberg, emigrated to America, and founded a fraternity called Harmonites, who by tillage of land on the Ohio and otherwise amassed great wealth, to be kept in store for the service of Christ at His second coming (1770‒1847).
Definition taken from The Nuttall Encyclopædia, edited by the Reverend James Wood (1907)
Rapin de Thoyras * Rapp, Jean