Early Twentieth Century
Early Twentieth Century
"Star Spectral Classification Chart" Annie Jump Cannon and Harvard University (1918–)...[57]"What Is the Theory of Relativity?" Einstein, Albert (1919)...60
"On the Discovery of Radium" Curie, Marie (1921)...63
"My Acquaintance with Zoological Park Animals" Keller, Helen (1923)...66
"June Skies" Keller, Helen (1932)...69
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Twentieth Century Fox Film Corp , 10201 West Pico Boulevard
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Wholly Owned Subsidiar… Cryptozoology , Term coined by zoologist Bernard Heuvelmans to characterize the study of "hidden animals." It includes the study of the existence of known animals in… Williamina Paton Stevens Fleming , The first of the famous women astronomers at the Harvard College Observatory, Williamina Fleming (1857-1911) helped to revolutionize astronomy in the… Barry White , Singer, songwriter, composer, arranger, record producer
During the mid-1970s singer/songwriter Barry White was the undisputed maestro of sensual soul… Circus , Circus
Long before the advent of film, television, or the Internet, the circus delivered the world to people's doorsteps across America. Arriving in… Cleanliness , Virginia Smith
In the mid-twentieth century, the subject of "cleanliness" was a footnote to the triumphant history of the British, European, and Amer…
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Early Twentieth Century