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postage stamp

(Encyclopedia)postage stamp, government stamp affixed to mail to indicate payment of postage. The term includes stamps printed or embossed on postcards and envelopes as well as the adhesive labels. The use of adhes...

protocol

(Encyclopedia)protocol prōˈtəkŏl [key], term referring to rules governing diplomatic conduct or to a variety of written instruments. Examples of the latter are authenticated minutes of international conferences...

puts and calls

(Encyclopedia)puts and calls, in securities trading. A call is a contract that gives the holder the right to purchase a given stock at a specific price within a designated period of time. It is the opposite of a pu...

heraldry

(Encyclopedia)heraldry, system in which inherited symbols, or devices, called charges are displayed on a shield, or escutcheon, for the purpose of identifying individuals or families. In the Middle Ages the herald,...

econometrics

(Encyclopedia)econometrics, technique of economic analysis that expresses economic theory in terms of mathematical relationships and then tests it empirically through statistical research. Econometrics attempts to ...

Kael, Pauline

(Encyclopedia)Kael, Pauline kāl [key], 1919–2001, American film critic, b. Petaluma, Calif. Possessed of extremely strong opinions about movies and a feisty, pop-inflected style, Kael was noted for her provocati...

Smithsonian Institution

(Encyclopedia)Smithsonian Institution, research and education center, mainly at Washington, D.C.; founded 1846 under the terms of the will of James Smithson of London, who in 1829 bequeathed his fortune to the Unit...

Burckhardt, Jacob Christoph

(Encyclopedia)Burckhardt, Jacob or Jakob Christoph yäˈkôp krĭsˈtôf bo͝orkˈhärt [key], 1818–97, Swiss historian, one of the founders of the cultural interpretation of history. He studied under Ranke at th...

Bacon, Roger

(Encyclopedia)Bacon, Roger, c.1214–1294?, English scholastic philosopher and scientist, a Franciscan. He studied at Oxford as well as at the Univ. of Paris and became one of the most celebrated and zealous teache...

Bloomsbury group

(Encyclopedia)Bloomsbury group, name given to the literary group that made the Bloomsbury area of London the center of its activities from 1904 to World War II. It included Lytton Strachey, Virginia Woolf, Leonard ...