Thesis (S.M.)--Massachusetts Institute of Technology, Dept. of Architecture, 2007.This electronic version was submitted by the student author. The certified thesis is available in the Institute Archives and Special Collections.Vita.Includes bibliographical references (p. 219-227).This thesis examines the dilemma of the common object in a liberal pluralist society. Situating the arguments in Hannah Arendt's The Human Condition, the thesis investigates the notion of the Space of Appearance in the contemporary city as providing a common platform for exchange. This Space of Appearance is conceived of through the linking of two public and democratic infrastructures -- mass transport lines and the public library. By symbiotically linking the two...