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1. About the author: Du Bois, W. E. B.
Du Bois, W. E. B. (1868-1963), American historian
and sociologist, who conducted the initial research
on the black experience in the United States.
His work paved the way for the civil rights,
Pan-African, and Black Power movements in the United States.
Du Bois was born in Great Barrington,
Massachusetts. He graduated from Fisk University in 1888.
In 1895 he became the first black person to receive
a doctoral degree from Harvard University.
In 1961 Du Bois moved to the newly independent
West African nation of Ghana. Once in Ghana,
he began work on the Encyclopedia(百科全书) Africana, a reference work
on Africans and people of African descent(血统) throughout the world. In
1963 he renounced his . citizenship and became a citizen of Ghana. He
died there in his home.
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2. Beethoven
Beethoven, Ludwig van (1770-1827), poser(作曲家), generally considered one of the posers in the world. Beethoven‘s major output(作品) consists of 9 symphonies(交响乐), 7 concertos(协奏曲), 17 string quartets(弦乐四重奏), 32 piano sonatas(奏鸣曲), 10 sonatas for violin and piano, 5 sonatas for cello(大提琴) and piano, an opera(歌剧), 2 masses(弥撒曲), several overtures(序曲), and numerous sets of piano variations(变奏曲).
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. Beethoven
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Texas(德克萨斯州,美国)
Texas is