David Gillette

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North American glyptodonts originated from South American ancestors during the Great American Biotic Interchange no later than early Blancan North American Land Mammal Age (NALMA). A substantial expansion in population samples from the late Blancan 111 Ranch fauna of southeastern Arizona, several late Blancan faunas in New Mexico, and the early(More)
The idea of the camera obscura has been with us since Aristotle, and has been a component of the visual arts in the East and the West for hundreds of years. As used in England and the United States in the 19 th century, a camera obscura was a dark room inside of which viewers could gather to view a projected image of a selected view of the world outside. To(More)
We are all, to some extent, political animals who continually work with definitions and categorizations, trying to determine who is inside our group, who is outside our group, who is supportive of our group, who is detrimental, who is useful and productive and who is not. These politics of organization, classification, division and association are(More)
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