Schumacher lecture on Appropriate Technology at the Great Circle Center, University of Illinois, Chicago, in 1977. Schumacher was an advocate for the idea that ‘small is beautiful’, i.e., technology should be small scale. Amulya Reddy has argued that small can, in fact, also be ‘ugly’. See Reddy, A. K. N. (1975). Alternative technology: A viewpoint from india. Social Studies of Science, 5(3), pp. 331-342. And see Reddy in this video: Appropriate Technology (Amulya Reddy).