Lefebre in 1888 he produced Conn's first saxophone prototype. After being shown an Adolph Sax model saxophone in possession of E.A. Conn's fledgling band instrument factory. He accompanied his family to Goshen, Indiana and then to Elkhart in 1875. The company was founded by Ferdinand August 'Gus' Buescher (born Elk Township, Noble County, Ohio 26 April 1861 died Elkhart, Indiana 29 November 1937).
