Arthur Nikisch
Nikisch was famous for his conducting of the great Romantic composers such as Schumann, Brahms, Bruckner, Tchaikovsky and Wagner as well as Beethoven.  He had a great influence on the next generation of conductors including Wilhelm Furtwängler and Sir Adrian Boult.  He helped composers such as Mahler, Max Reger and Richard Strauss to become famous by performing their music.