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The formula gave 2.7 billion as the 1960 world population and predicted that population growth would become infinite by Friday, November 13, 2026 – von Foerster's 115th birthday anniversary – a prediction that earned it the name "the Doomsday Equation."
Heinz von Foerster argued that humanity's abilities to construct societies, civilizations and technologies do not result in self-inhibition. Rather, societies' success varies directly with population size. Von Foerster found that this model fits some 25 data points from the birth of Jesus to 1958, with only 7% of the variance left
The McKendrick–von Foerster equation is a linear first-order partial differential equation encountered in several areas of mathematical biology – for example, demography [1] and cell proliferation modeling; it is applied when age structure is an important feature in the mathematical model. [2]
Foerster, Heinz von. Observing Systems. Seaside, California: Intersystems Publications, 1981. OCLC 263576422; Foerster, Heinz von, Albert Müller, and Karl H. Müller. The Beginning of Heaven and Earth Has No Name: Seven Days with Second-Order Cybernetics. Translated by Elinor Rooks and Michael Kasenbacher. New York: Fordham University Press, 2014.
The idea of presenting history logarithmically goes back at least to 1932, when John B. Sparks copyrighted his chart "Histomap of Evolution". [1] Around the same time it was also explored by the cyberneticist Heinz von Foerster , who used it to propose that memories naturally fade in an exponential manner.
Heinz von Foerster proposed Redundancy, R = 1 − H/H max, where H is entropy. [21] [22] In essence this states that unused potential communication bandwidth is a measure of self-organization. In the 1970s Stafford Beer considered this condition as necessary for autonomy which identifies self-organization in persisting and living systems.
The Dream of Reality: Heinz von Foerster's Constructivism is a book by Lynn Segal first published in 1986. [1] Segal, a licensed clinical social worker, examines the constructivist epistemology of physicist and philosopher Heinz von Foerster. Originally intended as a transcription of von Foerster's lectures, the book evolved into Segal's ...
Radical constructivism was initially formulated by Ernst von Glasersfeld, who drew on the work of Jean Piaget, Giambattista Vico, and George Berkeley amongst others. [6] [7] Radical constructivism is closely related to second-order cybernetics, [8] and especially the work of Heinz von Foerster, Humberto Maturana, and Francisco Varela.