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  1. Charles Doolittle Walcott (31 de marzo de 1850 - 9 de febrero de 1927) fue un naturalista, y reconocido paleontólogo estadounidense, experto en invertebrados.

  2. Charles Doolittle Walcott (March 31, 1850 – February 9, 1927) was an American paleontologist, administrator of the Smithsonian Institution from 1907 to 1927, and director of the United States Geological Survey.

  3. Charles Doolittle Walcott, was a paleontologist. He is often noted for his discovery of the Burgess Shale fossils in Canada in the early twentieth century. After his time as USGS Director, he then served as Secretary of the Smithsonian Institution until his death in 1927.

  4. The fourth Secretary of the Smithsonian, Charles Doolittle Walcott, was a paleontologist noted for his discovery of the Burgess Shale fossils in Canada in the early twentieth century. Largely self-educated, Walcott worked for the New York State Museum and US Geological Survey (USGS), and advanced to become the USGS director from 1894 to 1907.

  5. Charles Doolittle Walcott (31 de marzo de 1850 - 9 de febrero de 1927) fue un naturalista, y reconocido paleontólogo estadounidense, experto en invertebrados.

  6. paleontologist Charles D. Walcott, who suggested that living forms rapidly evolved during the time between the deposition of the youngest Precambrian and the oldest Cambrian sediments and that no record of this interval, the Lipalian interval, exists because the rocks have been eroded or remain undiscovered.….

  7. CHARLES DOOLITTLE WALCOTT was born at New York Mills, New York, March 31, 1850, and died of apoplexy at Wash-ington, D.C., on February 9, 1927. During his lifetime he had a scientific range which stretched literally from the dawn of life on the planet earth to the dawn of the space age.