**Sigfried Giedion (1888-1968) was an eminent critic and historian of architecture and art who had a major influence on architectural modernism. His books include Space, Time, and Architecture and Mechanization Takes Command. He taught at the Massachusetts Institute of Technology, Harvard University...

**Sigfried Giedion (1888-1968) was an eminent critic and historian of architecture and art who had a major influence on architectural modernism. His books include Space, Time, and Architecture and Mechanization Takes Command. He taught at the Massachusetts Institute of Technology, Harvard University, and ETH Zurich.