Felix Josef von Mottl (between 29 July/29 August 1856 – 2 July 1911) was an Austrian conductor and composer. He was regarded as one of the most brilliant conductors of his day.[1] He composed three operas, of which Agnes Bernauer (Weimar, 1880) was the most successful, as well as a string quartet and numerous songs and other music.[2] His orchestration of Richard Wagner's "Wesendonck Lieder" is still the most commonly performed version. He was also a teacher, and his pupils included Ernest van Dyck and Wilhelm Petersen.