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Chinua Achebe

Chinua Achebe (1930–2013) was a Nigerian novelist, poet, and critic who is regarded as the dominant figure of modern African literature. He garnered international attention for his novel Things Fall Apart (1958) and published three further novels in less than ten years. Achebe sought to escape the colonial perspective that framed African literature. He drew from the traditions of the Igbo people, Christianity and the clash of Western and African values. Achebe supported Biafran independence in 1967 and was an ambassador for the movement; during the Nigerian Civil War he appealed to Europe and the Americas for aid. After the Nigerian government retook the region, he involved himself in political parties but distanced himself after having negative experiences with them. He moved to the United States in 1990 after a car crash left him partially disabled. He was a professor of African studies at Brown University until his death in 2013. (Full article...)

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Joseph Fourier

Joseph Fourier (21 March 1768 – 16 May 1830) was a French mathematician and physicist born in Auxerre and best known for initiating the investigation of Fourier series, which eventually developed into Fourier analysis and harmonic analysis, and their applications to problems of heat transfer and vibration. The Fourier transform and Fourier's law of conduction are also named after him. He is also generally credited with the discovery of the greenhouse effect. This engraving of Fourier was drawn by Julien-Léopold Boilly, a French artist noted for his album of lithographs titled Iconographie de l'Institut Royal de France (1820–1821) and his booklet Album de 73 portraits-charge aquarellés des membres de l'Institut (1820), containing watercolor caricatures of seventy-three members of the Institut de France.

Engraving credit: Amédée Felix Barthélémy Geille, after Julien-Léopold Boilly; restored by Bammesk

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