Hartmann, Johan Peter Emil(ius) (1805-1900). Gade, Niels Wilhelm (1817-1890). Weyse, Christoph Ernest Friedrich (1774-1842). As Kuhlau was born in 1786, the older composer was Weyse. It is recognized that all of three were active in Denmark. Gade was active in Leipzig also, but later had come back to Denmark.