This document discusses the architecture of federal buildings in the United States from the 1950s through the 1970s. It provides case studies of the U.S. Atomic Energy Commission Campus in Germantown, Maryland, the Margaret Chase Smith Federal Building in Bangor, Maine, and the Hubert Humphrey Federal Building in Washington D.C. It discusses the design objectives of the General Services Administration during this period, which focused on practicality, functionality, and energy efficiency. It also outlines President Kennedy's 1962 guiding principles for federal architecture.