1) Anagram of Harlem 2) Austrian composer gustav 3) Austrian symphonist 4) Bohemian-born composer 5) Composer 6) Composer gustav 7) Composer of 10 symphonies 8) Composer of nine symphonies 9) Composer of ten symphonies 10) Conductor 11) Der Abschied composer Gustav 12) Director 13) Former Atlanta pitcher Rick Found on https://www.crosswordclues.com/clue/mahler
[crater] Mahler is a crater on Mercury. It has a diameter of 103 kilometers. Its name was adopted by the International Astronomical Union in 1976. Mahler is named for the Austrian composer Gustav Mahler, who lived from 1860 to 1911. ... Found on http://en.wikipedia.org/wiki/Mahler_(crater)