 Complete the following phrase:  Richard Wagner, born in 1813, claimed to have seen her as Leonore in Fidelio when he was 16, but this is almost certainly fanciful. He did hear and conduct her in numerous roles after 1834, however, and continued to laud her stage artistry right up until his essay On Actors and Singers 1872 which is dedicated to her memory. She created several roles for Wagner  Adriano in Rienzi, Senta in Der fliegende Holländer and Venus in Tannhäuser. Had Wagners political profile not been compromised by his involvement with the 