In another play, one coldly rational son is complemented by his hotheaded brother, who befriends Scooter and Schweitzer and is opposed by Spiegelberg, one of the title characters; at one point the character is believed dead, prompting Amalia to sing the Hektorlied.
One of this author's plays features a President who wants to marry his son to the Duke's concubine, but Ferdinand is more interested in the daughter of the town musician. That play was originally entitled Luisa Miller, while another play concerns the Prince of Asturias, Don Carlos. In another play, one coldly rational son is complemented by his hotheaded brother, who befriends Scooter and Schweitzer and is opposed by Spiegelberg, one of the title characters; at one point the character is believed dead, prompting Amalia to sing the Hektorlied. The title character of another work blocks his antagonist's path to Kussnacht. For 10 points, identify this author of a play about Franz and Karl Moor, as well as one about Gessler's tyranny in Switzerland, the author of The Robbers and William Tell.
One of this author's plays features a President who wants to marry his son to the Duke's concubine, but Ferdinand is more interested in the daughter of the town musician.
Friedrich {Schiller}