The following year he painted the popular The Opening of the Wallhalla and two didactic works on the "evening" and the "morning after" a "Deluge," which were supposed to illustrate Goethe's theory of color.  
The state funeral of Napoleon prompted his painting War: The Exile and the Rock Limpet.  The following year he painted the popular The Opening of the Wallhalla and two didactic works on the "evening" and the "morning after" a "Deluge," which were supposed to illustrate Goethe's theory of color.  Later in the 1840s he painted Queen Mab's Cave, The Angel Standing in the Sun, and a work which depicts the Great Western Railway.  He raised a ruckus in 1840 with a painting which shows a typhoon coming on as the dead and dying are thrown overboard by slavers, a work known as The Slave Ship.  FTP, name this English painter beloved of Ruskin, whose works include Rain, Steam and Speed and The Fighting Temeraire.
The state funeral of Napoleon prompted his painting War: The Exile and the Rock Limpet.  
Joseph Mallord William Turner