This document discusses various examples of prefabricated and modular housing designs from the 20th century, including Walter Gropius' Flat Pack house, Buckminster Fuller's Dymaxion Bathroom, Archigram's Living Pod concept, Kisho Kurokawa's Nakagin Capsule Tower, and more recent projects from MIT and Greg Lynn exploring digital prefabrication techniques. A range of pioneering modular and prefabricated housing solutions from notable architects and designers across the 1900s and 2000s are covered.