This document summarizes several mid-century urban development projects in downtown San Francisco, including the Golden Gateway Redevelopment Project (1961-1968), Sidney Walton Park (1968), the Market Street Beautification Project (1971), Crown Zellerbach Plaza (1959), Embarcadero Center (1971-1981), and several other notable buildings from that era. It describes the goals and key design features of these projects, which aimed to bring more residential and open space to the financial district through high-rise development and pedestrian networks elevated above street level.