Architectural Theory of Modernism presents an overview of the discourse on function-form concepts from the beginnings, in the eighteenth century, to its peak in High Modernism. Functionalist thinking and its postmodern criticism during the second half of the twentieth century is explored, as well as today's functionalism in the context of systems theory, sustainability, digital design, and the information society.The book covers, among others, the theories of Carlo Lodoli, Gottfried Semper, Eugène-Emmanuel Viollet-le-Duc, Louis Sullivan, Frank Lloyd Wright, Hannes Meyer, Adolf Behne, CIAM, Jane Jacobs, Robert Venturi and Denise Scott Brown, Charles Jencks, William Mitchell, and Manuel Castells.