Title High Redshift Radio Galaxies. Author: Wil van Breugel IGPP/LLNL L-413, P.O. Box 808 CA 94550 USA Abstract I will summarize our improved understanding of the nature and evolution of high redshift radio galaxies which has been made possible by observations at the W.M. Keck Observatory over the past several years. This will include spectropolarimetry observations showing the presence of hidden quasars in reflected, polarized light; stellar absorption line measurements and jet-induced star formation in one of the highest redshift objects; near-infrared observations showing strong rest-frame optical evolution from radio-aligned to elliptical morphologies of massive forming galaxies; systematic searches for high redshift `radio L-band dropouts' using near-infrared and radio spectral selection; and the discovery of the most distant radio galaxy, for the first time since 36 years reaching redshifts higher than quasars.