The document summarizes four reaction papers written by a student on readings related to architecture and urbanism. The first paper discusses Frank Lloyd Wright's views on organic architecture and his rejection of mass production. The second paper covers Jacques Derrida's ideas about deconstruction and its relationship to architecture. The third paper analyzes Juhani Pallasmaa's work on how humans experience architecture through their senses. The fourth paper examines Kenneth Frampton's concept of critical regionalism as a response to placelessness caused by universal techniques.