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 Encyclopedia of Popular Fiction: "Social Concerns", "Thematic Overview", "Techniques", "Literary Precedents", "Key Questions", "Related Titles", "Adaptations", "Related Web Sites". (c)1994-2005, by Walton Beacham.
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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1749-1819
Scottish chemist generally credited with dissevering nitrogen (1772). Joseph Black assigned him the task of investigating air incapable of supporting combustion. After carefully isolating and processing such air to remove carbon dioxide, Rutherford believed he had phlogisticated air—air having absorbed as much phlogiston as possible. According to phlogiston theory, respiration and combustion require the release of phlogiston, thus phlogisticated air could not support such processes. Antoine Lavoisier later described the true nature of nitrogen.