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Stinnes, Hugo

(Encyclopedia)Stinnes, Hugo ho͞oˈgō shtĭnˈəs [key], 1870–1924, German industrialist. The son of a Westphalian mine owner, he founded his own company in 1892 and rapidly expanded his interests to build a hug...

Polk, Leonidas Lafayette

(Encyclopedia)Polk, Leonidas Lafayette, 1837–92, American agrarian leader, b. Anson co., N.C. After studying agriculture at Davidson College, he managed a plantation in North Carolina, served with the Confederate...

de Vries, Hugo

(Encyclopedia)de Vries, Hugo hüˈgō də vrēs [key], 1848–1935, Dutch botanist. He opened a new approach to the study of evolution by using the experimental method to investigate the processes of evolution. His...

Hofmannsthal, Hugo von

(Encyclopedia)Hofmannsthal, Hugo von ho͞oˈgō fən hōfˈmänstäl [key], 1874–1929, Austrian dramatist and poet. His first verses were published when he was 16 years old, and his play The Death of Titian (1892...

Mohl, Hugo von

(Encyclopedia)Mohl, Hugo von ho͞oˈgō fən mōl [key], 1805–72, German botanist. He is noted for his research on the nature of protoplasm and chlorophyll and on the physiology of higher plant forms. Mohl was pr...

Bánzer Suárez, Hugo

(Encyclopedia)Bánzer Suárez, Hugo o͞oˈgō bänˈsĕr swäˈrĕs [key], 1926–2002, Bolivian military and political leader, president of Bolivia (1971–78; 1997–2001). Educated at military schools in Bolivia...

carbon black

(Encyclopedia)carbon black, mixture of partially burned hydrocarbons. Carbon black is produced by partial combustion of natural gas. It is used as a black pigment for inks and paints, and is used in large amounts b...

bone black

(Encyclopedia)bone black, solid black material, largely carbon, produced by heating animal bones to high temperatures in the absence of air so as to drive off volatile substances. Finely divided bone black is usefu...

Black, Hugh

(Encyclopedia)Black, Hugh, 1868–1953, Scottish-American theologian and author. After serving as a pastor in Paisley and Edinburgh, he emigrated to the United States in 1906 to begin a professorship of practical t...

Black, James

(Encyclopedia)Black, James, 1823–93, American temperance leader. A Pennsylvania lawyer, he was active in state and national temperance work. His plan for a National Publication House was adopted by the National T...