Danny Hillis

Danny Hillis is an American inventor, computer scientist, and long-term thinker best known as the designer of the Connection Machine, a massively parallel supercomputer architecture that anticipated the data-parallel processing models now dominant in machine learning. Hillis founded Thinking Machines Corporation in 1983 and served as its chief scientist until the company's dissolution in 1994. The Connection Machine's architecture — thousands of simple processors operating in parallel on a shared data structure — was initially designed for AI applications but found its most successful use in scientific simulation and, later, in the GPU architectures that power modern deep learning.

After Thinking Machines, Hillis turned his attention to long-term technological and social problems. In 1996, he co-founded the Long Now Foundation with Stewart Brand and others, and conceived the Clock of the Long Now, a mechanical timepiece designed to operate for 10,000 years. The clock embodies Hillis's conviction that technological sophistication and long-term responsibility are compatible — that we can build things meant to outlast civilizations.

Hillis's career traces an arc from the immediate future of computation to the deep future of human civilization. The Connection Machine was about scaling computation across space (thousands of processors). The Clock of the Long Now is about scaling responsibility across time (thousands of years). Both are expressions of the same systems-thinking sensibility: the belief that good design requires understanding the temporal and spatial scales at which a system must operate.