Columbia Encyclopedia

Search results

500 results found

Soddy, Frederick

(Encyclopedia)Soddy, Frederick sŏdˈē [key], 1877–1956, English chemist. He worked under Lord Rutherford at McGill Univ. and with Sir William Ramsay at the Univ. of London. After serving (1910–14) as lecturer...

protactinium

(Encyclopedia)protactinium prōˌtăktĭnˈēəm [key], radioactive chemical element; symbol Pa; at. no. 91; mass number of most stable isotope 231; m.p. greater than 1,600℃; b.p. 4,026℃; sp. gr. 15.37 (calcula...

Rutherford, Ernest Rutherford, 1st Baron

(Encyclopedia)Rutherford, Ernest Rutherford, 1st Baron, 1871–1937, British physicist, b. New Zealand. Rutherford left New Zealand in 1895, having earned three degrees from the Univ. of New Zealand but having fail...

Lemaître, Frédérick

(Encyclopedia)Lemaître, Frédérick frādārēkˈ ləmĕtˈrə [key], 1800–1876, French actor, originally named Antoine Louis Prosper Lemaître. First known in pantomimes and melodramas, he gained fame (1823) fo...

Marryat, Frederick

(Encyclopedia)Marryat, Frederick mărˈēăt [key], 1792–1848, English novelist. He is famous for his thrilling tales of sea adventure. His 24 years of service in the British navy in various parts of the world pr...

John Frederick I

(Encyclopedia)John Frederick I, 1503–54, elector (1532–47) and duke (1547–54) of Saxony; last elector of the Ernestine branch of the house of Wettin. Like his father, John the Steadfast, whom he succeeded, Jo...

Frederick Barbarossa

(Encyclopedia)Frederick Barbarossa: see Frederick I, Holy Roman emperor. ...

Frederick Henry

(Encyclopedia)Frederick Henry, 1584–1647, prince of Orange; son of William the Silent by Louise de Coligny. He became stadtholder of the United Provinces of the Netherlands upon the death (1625) of his brother Ma...

Frederick Louis

(Encyclopedia)Frederick Louis, 1707–51, prince of Wales, eldest son of George II of England. By his wife, Princess Augusta of Saxe-Gotha, he had several children, the eldest of whom became George III. He quarrele...

Frederick William I

(Encyclopedia)Frederick William I, 1688–1740, king of Prussia (1713–40), son and successor of Frederick I. He continued the administrative reforms and the process of centralization begun by Frederick William, t...