The following sections of this BookRags Literature Study Guide is offprint from Gale's For Students Series: Presenting Analysis, Context, and Criticism on Commonly Studied Works: Introduction, Author Biography, Plot Summary, Characters, Themes, Style, Historical Context, Critical Overview, Criticism and Critical Essays, Media Adaptations, Topics for Further Study, Compare & Contrast, What Do I Read Next?, For Further Study, and Sources.
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The following sections, if they exist, are offprint from Beacham's Guide to Literature for Young Adults: "About the Author", "Overview", "Setting", "Literary Qualities", "Social Sensitivity", "Topics for Discussion", "Ideas for Reports and Papers". (c)1994-2005, by Walton Beacham.
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1880-1966
English physicist who independently discovered the powder method for x-ray analysis of crystals. After receiving his Ph.D. at Yale in 1909, Hull joined General Electric as a research physicist in 1914, and later served as assistant director of its research laboratory. In 1916 scientists Peter Debye and Paul Scherrer devised the powder method technique of x-ray analysis. Unaware of their work, a year later Hull used this same method to examine the crystal structure of several common metals, including iron. He then turned his attention to electronics, inventing several components used in electric circuits, including the magnetron, an oscillator that generates microwaves.