Magalhães, João Pedro de - Researcher of human aging, with several essays about transhumanism, human nature, and the ethics of new technologies. - http://jp.senescence.info/
Overmeire, George - Essays from the Dutch musician about transhumanism, space exploration, and political philosophy. - http://www.georgeovermeire.nl/indexe.html
Machado, Romana - Essays and press appearances from the computer programmer, transhumanist, and extropian. - http://www.fqa.com/romana/
Vita-More, Natasha - Founder and director of the Transhumanist Arts & Culture World Center, president of the Extropy Institute. - http://www.natasha.cc/
Tipler, Frank J. - Mathematician and originator of the "Omega Point" theory that the universe is finite, and therefore ultimately controllable in its entirety by sentients. - http://www.math.tulane.edu/~tipler/
Davis, John K. - Transhumanist and technology advocate. Incorporates the former Transhumanist Unitarian Universalist Network. - http://www.johnkdavis.com/
More, Max - Futurist, co-founder and chairman of the Extropy Institute. - http://www.maxmore.com/
Bostrom, Nick - Advanced topics in transhumanism with informative material in analytic philosophy and computational neuroscience. - http://www.nickbostrom.com/
Yudkowsky, Eliezer - Research Fellow of the Singularity Institute, author of "Friendly AI" and "Staring into the Singularity". His Web complex, "The Low Beyond", contains professional and personal writings. - http://yudkowsky.net/beyond.html
Hanson, Robin - Economist and polymath; inventor of "Ideas Futures" markets; allegedly open-minded and politically undogmatic. His homepage is immodest(?) and says much about him, not necessarily bad things. - http://hanson.gmu.edu/
Pearce, David: HedWeb - Interests: how biotechnology will allow us to get rid of suffering in all sentient life (allegedly); animal rights; consciousness; psychopharmacology; and "Why does anything exist?" An attractive, thought-provoking, and many-tentacled site. - http://www.hedweb.com/confile.htm