*Klein, Bruce (August 13, 2004). "[http://www.longecity.org/forum/topic/4112-the-father-of-cryonics-robert-c-w-ettinger/ The Father of Cryonics], Robert C. W. Ettinger, Interview with Bruce Klein". Immortality Institute. Retrieved May 24, 2009. | *Klein, Bruce (August 13, 2004). "[http://www.longecity.org/forum/topic/4112-the-father-of-cryonics-robert-c-w-ettinger/ The Father of Cryonics], Robert C. W. Ettinger, Interview with Bruce Klein". Immortality Institute. Retrieved May 24, 2009. |