Massimo Stiavelli Title: Observing the epoch of reionization with the Hubble and James Webb Space Telescopes Abstract: I will review recent observational results on the highest redshift objects discovered with the Wide Field Camera 3 on the Hubble Space Telescope. After discussing the implications of these discoveries for the reionization of Hydrogen and the early evolution of galaxies I will give an overview of theoretical results on the first galaxies and discuss their observability with Hubble's successor: the James Webb Space Telescope. I will end by presenting a status of the Webb Telescope.