His best-known play features such characters as Daja, who is the companion of the title character's daughter, and Conrad von Stauffen, who falls in love with Recha.  
In one of this man's works, the title character's maid Franziska and a sergeant named Paul Werner fall in love.  In that play by this man, a servant named Just gives a ring to a landlord to settle a debt, which allows the title character to realize that she has discovered her long-lost love.  In another of his plays, the title character's beloved, Count Appiani, is shot on the orders of the prince of Guastalla, who is in love with her.  His best-known play features such characters as Daja, who is the companion of the title character's daughter, and Conrad von Stauffen, who falls in love with Recha.  FTP, name this author of Emilia Galotti and Minna von Barnhelm, an 18th-century German author best known for Nathan the Wise.
In one of this man's works, the title character's maid Franziska and a sergeant named Paul Werner fall in love.  
Gotthold Ephraim Lessing