- Nick Bostrom
- Ray Kurzweil
- Cory Doctorow
- Dr. Douglas R. Hofstadter
- Stewart Brand
- Dr. Selmer Bringsjord
- Dr. Rodney Brooks
- Jamais Cascio
- Dr. Hubert Dreyfus
- Bill Gates
- Dr. Ben Goertzel
- Dr. Stephen Hawking
- Dr. Daniel Hillis
- Bill Joy
- Jaron Lanier
- Pamela Mccorduck
- Bill McKibben
- Dr. Marvin Minsky
- Dr. Hans Moravec
- Ramez Naam
- Martin Rees
- Glenn Harlan Reynolds
- Dr. John Searle
- Dr. Vernor Vinge
Dr. Douglas R. Hofstadter
College Professor of Cognitive and Computer Science, Indiana University, Bloomington
To any thoughtful person, the singularity idea, even if it seems wild, raises a gigantic, swirling cloud of profound and vital questions about humanity and the powerful technologies it is producing. Given this mysterious and rapidly approaching cloud, there can be no doubt that the time has come for the scientific and technological community to seriously try to figure out what is on humanity's collective horizon. Not to do so would be hugely irresponsible.