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Lebedev, Pyotr Nikolaevich

(Encyclopedia) Lebedev, Pyotr NikolaevichLebedev, Pyotr Nikolaevichpyôˈtə nyĭkəlīˈəvĭch lāˈbyədyəf [key], 1866–1912, Russian physicist. The most noted Russian physicist of his time, he studied at…

Lynn

(Encyclopedia) Lynn, city (1990 pop. 81,245), Essex co., E Mass.; inc. as a town 1631, as a city 1850. Lynn is an old industrial center. The first ironworks (1643) and the first fire engine (1654) in…

Jenney, William Le Baron

(Encyclopedia) Jenney, William Le Baron, 1832–1907, American engineer and architect, b. Fairhaven, Mass. He studied at Harvard Scientific School and the École des Beaux-Arts. Later he learned…

bank holidays

(Encyclopedia) bank holidays, days when the law requires that banks be closed. In the United States the list varies from state to state but generally includes, besides the major holidays, many days…

Sibley, Henry Hastings

(Encyclopedia) Sibley, Henry Hastings, 1811–91, first governor of Minnesota, b. Detroit. After two years of law study, he was (1830–34) a clerk for the American Fur Company. He later became (1834) a…

Sigtuna

(Encyclopedia) SigtunaSigtunasĭgˈtüˌnä [key], town (1990 pop. 4,918), Stockholm co., E Sweden, on Lake Skarven, near Stockholm. Founded c.1000, it was one of Sweden's earliest towns, its first…

Baldinucci, Abate Filippo

(Encyclopedia) Baldinucci, Abate FilippoBaldinucci, Abate Filippoäbäˈtā fēlĭpˈpō bäldēn&oomacr;tˈchē [key], 1624–96, Italian art historian and philologist. Baldinucci was a pioneer in research…

Fizeau, Armand Hippolyte Louis

(Encyclopedia) Fizeau, Armand Hippolyte LouisFizeau, Armand Hippolyte LouisärmäNˈ ēpôlētˈ lwē fēzōˈ [key], 1819–96, French physicist. The first to measure (1849) the velocity of light in air, he also…

Chimborazo

(Encyclopedia) ChimborazoChimborazochēmbōräˈsō [key], inactive volcano, 20,577 ft (6,272 m) high, central Ecuador; the highest in Ecuador. Its summit is always snowcapped. First explored by Alexander…

Celsus, Aulus Cornelius

(Encyclopedia) Celsus, Aulus Cornelius, fl. a.d. 14, Latin encyclopedist. His only extant work, De re medicina, consists of eight books on medicine believed to have been written c.a.d. 30. He was not…