War II. Rehabilitation engineering in the United States had its roots following World War II in activities of the National Academy of Sciences (NAS) that were initiated by the U.S. Army and the Veterans Administration (VA).
Perhaps the single greatest contribution Linnaeus made to science was his method of naming species. This method, called binomial nomenclature, gives each species a unique, two-word Latin name consisting of the genus name and the species name. An example is Homo sapiens, the two-word Latin name for humans.
History of classification. Carl Linnaeus, an animal himself, is known as the father of modern taxonomy. Aristotle divided the living world between animals and plants, and this was followed by Carl Linnaeus, in the first hierarchical classification.