MOSAIC on the ELT: high-multiplex spectroscopy to unravel the physics of stars and galaxies from the dark ages to the present-day by Hammer, F, Morris, S, Cuby, JG, Kaper, L, Steinmetz, M, Afonso, J, Barbuy, B, Bergin, E, Finogenov, A, Gallego, J, Kassin, S, Miller, C, Ostlin, G, Penterricci, L, Schaerer, D, Ziegler, B, Chemla, F, Dalton, G, Frondat, FD, Evans, C, Mignant, DL, Puech, M, Rodrigues, M, Sanchez-Janssen, R, Taburet, S, Tasca, L, Yang, YB, Zanchetta, S, Dohlen, K, Dubbeldam, M, Hadi, KE, Janssen, A, Kelz, A, Larrieu, M, Lewis, I, MacIntosh, M, Morris, T, Navarro, R, Seifert, W