Charles Doolittle Walcott Medal is an award given out by the National Academy of Sciences every five years to stimulate research in Precambrian or Cambrian life and history. President Harding and the National Academy of Sciences at the White House, Washington, DC, April 1921 The National Academy of Sciences (NAS) is a corporation in the United States whose members serve pro bono as advisers to the nation on science, engineering, and medicine. ... The Precambrian (or Pre-Cambrian) is an informal name for the eons of the geologic timescale that came before the current Phanerozoic eon. ... The Cambrian is a major division of the geologic timescale that begins about 542 ± 1. ...
It is named after Charles Doolittle Walcott (March 31, 1850 - February 9, 1927). The medal was established through the Walcott Fund by gift of Mrs. Mary Vaux Walcott. Charles Doolittle Walcott (March 31, 1850 - February 9, 1927) was an eminent American invertebrate paleontologist. ... Mary Morris Vaux Walcott (July 31, 1860 - August 22, 1940) was an artist and naturalist known for her watercolor paintings of wildflowers. ...
Franco Dino Rasetti (August 10, 1901 – December 5, 2001) was an Italian scientist. ... Preston Ercelle Cloud, Jr. ... Andrew H. Knoll is the Fisher Professor of Natural History and a Professor of Earth and Planetary Sciences at Harvard University. ...
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