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A combination between a whiteboard and a cork bulletin board Original early 1960s ad for "Plasti-slate", the first whiteboard/dry erase board invented by Martin Heit. It has been widely reported that Korean War veteran and photographer Martin Heit and Albert Stallion, an employee at Alliance, a leading flat rolled steel sheet supplier should be credited with the invention of the whiteboard in ...
A blackboard can simply be a board painted with a dark matte paint (usually black, occasionally dark green). [1] Matte black plastic sign material (known as closed-cell PVC foamboard) is also used to create custom chalkboard art. [2] Blackboards on an A-frame are used by restaurants and bars to advertise daily specials. [3]
African Americans have been the victims of oppression, discrimination and persecution throughout American history, with an impact on African-American innovation according to a 2014 study by economist Lisa D. Cook, which linked violence towards African Americans and lack of legal protections over the period from 1870 to 1940 with lowered innovation. [1]
Andre Gunder Frank's Sociology of Development and Underdevelopment of Sociology is published. Ernest Gellner's Saints of the Atlas is published. Edmund Leach's Genesis as Myth and Other Essays is published. David Matza's Causes of Delinquency is published. Ralph Miliband's The State in Capitalist Society is published.
African-American art is known as a broad term describing visual art created by African Americans. The range of art they have created, and are continuing to create, over more than two centuries is as varied as the artists themselves. [ 1 ]
Michele Faith Wallace was born on January 4, 1952, in Harlem, New York.She and her younger sister Barbara grew up in a black middle-class family. Her mother is Faith Ringgold, who was a teacher and college lecturer before becoming a widely exhibited artist.
The Black Arts Movement (BAM) was an African-American-led art movement that was active during the 1960s and 1970s. [3] Through activism and art, BAM created new cultural institutions and conveyed a message of black pride. [4]
Sociology as a scholarly discipline emerged, primarily out of Enlightenment thought, as a positivist science of society shortly after the French Revolution.Its genesis owed to various key movements in the philosophy of science and the philosophy of knowledge, arising in reaction to such issues as modernity, capitalism, urbanization, rationalization, secularization, colonization and imperialism.