255 Essays on Infinite Lifespans   Marc Geddes References 1) Hobbes, Thomas; 1642, “De Cive” [On the Citizen]  //   Locke, John; 1690, “Two Treatises of Government” 2) Fehr, Ernast & Fishbacher, Urs; “The Nature of Human altruism” in: Nature (23 Oct 2003, 425), pg. 785–791 3) Schweitzer, Albert; Out of my life and thought, (1953) John Hopkins University Press 4) Rees, Martin; ImmInst Interview (2003); http://imminst. org/forum/index.php?act=ST&f=67&t=2699&hl=&s= 5) More, Max; The Diachronic Self  (1995); http://www. maxmore.com/disscont.htm 6) Bostrom, Nick; In Defense of Posthuman Dignity (2003); http://www.nickbostrom.com/ethics/dignity.html 7) From the Extended Life/Eternal Life conference at the University of Pennsylvania; (6. March 1999) 8) Berry, Adrian; The Next 500 Years (1995) Headline Book Publishing 9) Russell, Bertrand; “Appendix B: The Doctrine of Types,” in: Russell, Bertrand; Principles of Mathematics, (1903); Cambridge University Press; pg.523–528 10) Dyson, Freeman; “Time Without End: Physics and Biology in an Open Universe” in: Reviews of Modern Physics (July 1979, Vol. 51, No. 3) 11) Tipler, Frank; “Cosmological Limits on Computation” in: International Journal of Theoretical Physics (1986, 25), pg. 617–661