A very detailed look at the development of the field of sociology. Looks at its historical roots, the earliest sociologists, and explains major theories that it was based on, and theories and schools of thought that evolved from those....

Detailed information about oceanic trenches, their structure, and how they are formed. Discusses the twenty trenches that exist around the world. Includes several labeled illustrations.

This entry from Encyclopedia Brittanica's Guide to Black History features Zora Neale Hurston, an American folklorist and writer associated with the Harlem Renaissance who celebrated the African American culture of the rural South. This...

This entry from Encyclopedia Brittanica's Guide to Black History features William Lloyd Garrison, an American journalistic crusader who published a newspaper, The Liberator (1831-65), and helped lead the successful abolitionist campaign...

This entry from Encyclopedia Brittanica's Guide to Black History features Wole Soyinka, a Nigerian playwright and political activist who received the Nobel Prize for Literature in 1986. He sometimes wrote of modern West Africa in a...

This entry from Encyclopedia Brittanica's Guide to Black History features Tyler Perry, an American playwright, actor, screenwriter, producer, and director whose works, in which he often portrayed the character Madea, an outspoken...

This entry from Encyclopedia Brittanica's Guide to Black History features Uriel Jones, an American musician born June 13, 1934, Detroit, Mich. This site, rich in detail and breadth of coverage, includes a wealth of information on other...

This entry from Encyclopedia Brittanica's Guide to Black History features William Julius Wilson, an American sociologist whose views on race and urban poverty helped shape U.S. public policy and academic discourse. This site, rich in...

This entry from Encyclopedia Brittanica's Guide to Black History features Taj Mahal, an American singer, guitarist, songwriter, and one of the pioneers of what came to be called world music. He combined blues and other African-American...

This entry from Encyclopedia Brittanica's Guide to Black History features Robert L. Johnson, an American businessman, founder of Black Entertainment Television (BET), and the first African American majority owner of a major professional...

This entry from Encyclopedia Brittanica's Guide to Black History features Sonny Liston, an American boxer who was world heavyweight boxing champion from September 25, 1962, when he knocked out Floyd Patterson in the first round in...

This entry from Encyclopedia Brittanica's Guide to Black History features Rubye Robinson, an American civil rights activist whose short life proved to be a powerful influence on the Civil Rights Movement. This site, rich in detail and...

This entry from Encyclopedia Brittanica's Guide to Black History features Sonia Sanchez, an American poet, playwright, and educator who was noted for her black activism. This site, rich in detail and breadth of coverage, includes a...

This entry from Encyclopedia Brittanica's Guide to Black History features Myrtilla Miner, an American educator whose school for African Americans, established against considerable opposition, grew to a successful and long-lived teachers...

This entry from Encyclopedia Brittanica's Guide to Black History features Moms Mabley, an American comedian who was one of the most successful black vaudeville performers. She modeled her stage persona largely on her grandmother, who had...

This entry from Encyclopedia Brittanica's Guide to Black History features Mary Lou Williams, a jazz pianist who performed with and composed for many of the great jazz artists of the 1940s and '50s. This site, rich in detail and breadth...

This entry from Encyclopedia Brittanica's Guide to Black History features Kwame Nkrumah, a Ghanaian nationalist leader who led the Gold Coast's drive for independence from Britain and presided over its emergence as the new nation of...

This entry from Encyclopedia Brittanica's Guide to Black History features Leopold Senghor, a poet, teacher, and statesman, first president of Senegal, and a major proponent of the concept of Negritude. This site, rich in detail and...

This entry from Encyclopedia Brittanica's Guide to Black History features Larry Holmes, an American heavyweight boxing champion of the late 1970s and early '80s who was known for his solid defense. This site, rich in detail and breadth...

This entry from Encyclopedia Brittanica's Guide to Black History features Kenny Washington, one of the first African American college gridiron football stars on the West Coast and one of two black players to reintegrate the National...

This entry from Encyclopedia Brittanica's Guide to Black History features James Reese Europe, an American bandleader, arranger, composer, a major figure in the transition from ragtime to jazz. This site, rich in detail and breadth of...

This entry from Encyclopedia Brittanica's Guide to Black History features Joe Frazier, an American world heavyweight boxing champion from February 16, 1970, when he knocked out Jimmy Ellis in five rounds in New York City, until January...

This entry from Encyclopedia Brittanica's Guide to Black History features Julius Nyerere, the first prime minister of independent Tanganyika (1961), who became the first president of the new state of Tanzania (1964). Nyerere was also the...

This entry from Encyclopedia Brittanica's Guide to Black History features George Foreman, an American boxer who twice was the world heavyweight champion (1973-74, 1994-95). When Foreman regained the heavyweight title at age 45, he was...