The star formation and chemical evolution history of the Fornax dwarf spheroidal galaxy T. J. L. de Boer, E. Tolstoy, V. Hill, A. Saha, E. W. Olszewski, M. Mateo, E. Starkenburg, G. Battaglia and M. G. Walker A&A, 544 (2012) A73 Published online: 31 July 2012 DOI: 10.1051/0004-6361/201219547