Malthus Theory and EUGENIC both schools coming to heavily influence the field of eugenics.
|Eugenics Society member, Margaret Sanger, who later founded Planned Parenthood, also advocated sterilization of the so-called unfit.|
In 1950 Sanger advocated eugenic sterilization in a personal letter she wrote to Katharine Dexter McCormick, an heir to the International Harvester fortune who used her immense wealth to fund the development of the birth-control pill.
Sanger wrote, “I consider that the world and almost our civilization for the next twenty-five years, is going to depend upon a simple, cheap, safe contraceptive to be used in poverty stricken slums, jungles, and among the most ignorant people. Even this will not be sufficient, because I believe that now, immediately; there should be national sterilization for certain dysgenic types of our population who are being encouraged to breed and would die out were the government not feeding them.”
How did Thomas Malthus influence Darwin's theory of evolution?
Darwin knew that a natural population has similar inherited variability and that the size of natural populations tended to remain constant, despite a tremendous potential for reproduction. It was clear that if there were the potential for a natural selection that would parallel the conscious selection of the plant or animal breeder, a mechanism would have been found for the origin of new varieties in nature. |
A critical point in Darwin's thinking came when he considered a most-unlikely piece of reading for a natural historian - the Essay on the Principle of Population, by Thomas Robert Malthus (1798). Malthus was essentially an economist who wrote his essay considerably prior to Darwin's work. Malthus was analyzing the relationship between human population size and the availability of resources such as food. The key element in Malthus' discussion was that these two factors - population size and resource availability - could never remain in proportion to one another. Increasing population size, as Malthus reasoned, was a geometric function, but, in his view, new resources could, at best, be increased at an arithmetic rate. Inevitably, increasing population size would lead to limits in available resources, causing human populations to compete for those resources that were available. As the gap between populations and resource availability widened, this competition would become more intense, leading ultimately to war and famine.
scarce resources will have to be shared among an increasing number of individualshttp://web.stanford.edu/~ranabr/Malthusian%20and%20Neo%20Malthusian1%20for%20webpage%20040731.pdf
The population timebomb is a myth