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Blackmur, Richard Palmer

(Encyclopedia)Blackmur, Richard Palmer, 1904–65, American critic and poet, b. Springfield, Mass. Although he had no formal education after high school, he was a resident fellow (1940–48) and professor (1948–6...

Mason, Lowell

(Encyclopedia)Mason, Lowell, 1792–1872, American composer and music educator, b. Medfield, Mass. While working as a bank clerk in Savannah, Ga., he helped compile an anthology that was published as The Boston Han...

Mann, Horace

(Encyclopedia)Mann, Horace măn [key], 1796–1859, American educator, b. Franklin, Mass. He received a sparse preliminary schooling, but succeeded in entering Brown in the sophomore class and graduated with honors...

copernicium

(Encyclopedia)copernicium, artificially produced radioactive chemical element; symbol Cn; at. no. 112; mass number of most stable isotope 285; m.p., b.p., sp. gr., and valence unknown. Situated in Group 12 of the p...

chocolate

(Encyclopedia)chocolate, general term for the products of the seeds of the cacao or chocolate tree, used for making beverages or confectionery. The flavor of chocolate depends not only on the quality of the cocoa n...

Bryant, William Cullen

(Encyclopedia)Bryant, William Cullen brīˈənt [key], 1794–1878, American poet and newspaper editor, b. Cummington, Mass. The son of a learned and highly respected physician, Bryant was exposed to English poetry...

Bernstein, Leonard

(Encyclopedia)Bernstein, Leonard bûrnˈstīn, –stēn [key], 1918–90, American composer, conductor, and pianist, b. Lawrence, Mass., grad. Harvard, 1939, and Curtis Institute of Music, 1941. A highly versatile ...

atomic bomb

(Encyclopedia)atomic bomb or A-bomb, weapon deriving its explosive force from the release of nuclear energy through the fission (splitting) of heavy atomic nuclei. The first atomic bomb was produced at the Los Alam...

radioactivity

(Encyclopedia)CE5 Effects of a magnetic field on the products of radioactivity CE5 Disintegration series: Radioactive decay of radium-226 into lead-206 radioactivity, spontaneous disintegration or decay of t...

Larkin, Thomas Oliver

(Encyclopedia)Larkin, Thomas Oliver, 1802–58, American merchant and diplomatic agent, b. Charlestown, Mass. He settled (1832) in Monterey, Calif., where he became a successful merchant trading with Mexico and the...