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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. Learn about the life and achievements of Charles Doolittle Walcott, the fourth Secretary of the Smithsonian and a pioneer of paleontology. Discover his discoveries of the Burgess Shale fossils, his role in American science policy, and his legacy at the Institution.

  4. 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.

  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. Learn about the life and achievements of Charles Doolittle Walcott, who served as the president of the National Academy of Sciences from 1917 to 1923 and was a renowned fossil expert. Discover his contributions to the Smithsonian, the Geological Survey, and the National Research Council during World War I.