Georges Rolland
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Georges François Joseph Rolland was a French geologist and industrialist, a member of the Corps des mines, who worked in Algeria in the 1880s. He made important discoveries about the underground hydro
Georges Rolland from Scribners Magazine, 1891
Rolland's French Africa, what it is, what it must be
Philippe Thomas
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Philippe Thomas was a French veterinarian and amateur geologist who discovered large deposits of phosphates in Tunisia. Despite the huge economic importance of his discovery, he received little recogn
Georges Rolland
…Scientific Exploration Mission. The Mission Scientifique de Tunisie (1885–87) was led by the botanist Ernest Cosson (1819–89). Rolland was assisted by Philippe Thomas from 1885 and Georges Le Mesle in 1887. Rolland covered the centre of the country, while Thomas worked further south and Le Mesle worked mainly in the…
Thomas in 1910 by Gaston Percheron
Monument to Philippe Thomas in Tunis
Place Philippe Thomas, Sfax. The bust of Thomas in the center of the square was later torn down.
Monument in Thomas's memory in Tunis, since dismantled.