Danish composer Rued Langgaard lived from 1893 to 1952. Viewed as a "loner" or an "outsider," he nevertheless produced a substantial body of instrumental and vocal works.
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Langgard, Rued Immanuel
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Biography showing his early success and later strong reaction against Danish neo-classicism from the Grove Concise Dictionary of Music entry at WQXR radio.
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Rued Langgaard
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Official site. Includes brief and expanded biographies, articles, maps, pictures, and sound clips from the Danish Ministry of Culture and the Langgaard Foundation. Also in Danish.