The search for the deconfined quark-gluon phase transition using 2 TeV {bar p}p collisions; The search for critical phenomena in multifragmentation using 1 GeV/nucleon heavy ion collisions; The development of the solenoidal detector (STAR) for the Relativistic Heavy Ion Collider (RHIC). Progress report, January 1, 1991--December 31, 1991