Hackernews posts about Richard Simmons
- Richard Simmons has died (www.nytimes.com)
- Richard Simmons, Fitness Guru, Dies at 76 (www.wsj.com)
- Erdős and Shannon: A Story of Probability, Communication, Combinatorics [video] (simons.berkeley.edu)
- Complex systems fail (2002) [pdf] (www.researchgate.net)