Large sSynoptic Survey Telescope Galaxies Science Roadmap per Robertson, BE, Banerji, M, Cooper, MC, Davies, R, Driver, SP, Ferguson, AMN, Ferguson, HC, Gawiser, E, Kaviraj, S, Knapen, JH, Lintott, C, Lotz, J, Newman, JA, Norman, DJ, Padilla, N, Schmidt, SJ, Smith, GP, Tyson, JA, Verma, A, Zehavi, I, Armus, L, Avestruz, C, Barrientos, LF, Bowler, RAA, Bremer, MN, Conselice, CJ, Davies, J, Demarco, R, Dickinson, ME, Galaz, G, Grazian, A, Holwerda, BW, Jarvis, MJ, Kasliwal, V, Lacerna, I, Loveday, J, Marshall, P, Merlin, E, Napolitano, NR, Puzia, TH, Robotham, A, Salim, S, Sereno, M, Snyder, GF, Stott, JP, Tissera, PB, Werner, N, Yoachim, P, Borne, KD, LSST Galaxies Science Collaboration