Abstract
With its 39m primary mirror, the ESO Extremely Large Telescope (E-ELT) will be the largest optical/nearinfrared telescope ever built. MOSAIC (Multi-Object Spectrograph for Astrophysics, Inter-galactic medium studies and Cosmology) is expected to become the E-ELT´s workhorse instrument for astrophysics, intergalactic medium studies and cosmology in the coming decades. MOSAIC will fully exp…