Abstract
ABSTRACT This paper reviews progress in two areas of optical research on faint galaxies. First the author discusses the philosophy and techniques needed to employ radio galaxies as evolutionary and cosmological probes out to redshifts now approaching 2.0. The distant radio galaxies seem to be systematically more active than their nearby counterparts. Radio galaxies can also be studied as galaxies of evolving stars; the present interpretations of visual and IR galaxy colors and magnitudes suggest modest lingering star formation over the past 1010years in many luminous radio galaxies. The author concludes with a discussion on the location and utilization of faint radio-quiet red galaxies; these are giant E systems at z ≥ 0.5.
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