The Evolution of OI over 3.2 < z < 6.5: Reionization of the Circumgalactic Medium

George D. Becker, Max Pettini, Marc Rafelski, Valentina D'Odorico, Elisa Boera, Lise Christensen, Guido Cupani, Sara L. Ellison, Emanuele Paolo Farina, Michele Fumagalli, Sebastian Lopez, Marcel Neeleman, Emma, V Ryan-Weber, Gabor Worseck