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Fernow, Bernhard Eduard

(Encyclopedia)Fernow, Bernhard Eduard fûrˈnō [key], 1851–1923, American forester, b. Germany. In 1876 he emigrated to the United States and became a leader in the movement to protect forests against fire and e...

actin

(Encyclopedia)actin, a protein abundantly present in many cells, especially muscle cells, that significantly contributes to the cell's structure and motility. Actin can very quickly assemble into long polymer rods ...

Olitski, Jules

(Encyclopedia)Olitski, Jules ŏlĭtˈskē [key], 1922–2006, American painter, b. Russia as Jevel Demikovsky. While considered a color-field painter (see color-field painting), Olitski produced works that are free...

Gauck, Joachim

(Encyclopedia)Gauck, Joachim, 1940–, German political and human-rights activist, president of Germany (2012–17), b. Rostock. An anticommunist from his youth, Gauck was ordained a Lutheran minister and was pasto...

Iturrigaray, José de

(Encyclopedia)Iturrigaray, José de hōsāˈ ᵺā ēto͞oˈrēgäräˈē [key], 1742–1815, Spanish colonial administrator, viceroy of New Spain (1803–8). During his rule, all of Spanish America was disturbed b...

Dorticós Torrado, Osvaldo

(Encyclopedia)Dorticós Torrado, Osvaldo ōsvälˈdō dōrtēkōsˈ tōr-räˈᵺō [key], 1919–83, president of Cuba (1959–76). A prosperous lawyer, he participated in Fidel Castro's revolutionary movement and...

Hanson, Duane

(Encyclopedia)Hanson, Duane, 1925–96, American sculptor, b. Alexandria, Minn. A member of the superrealist movement of the late 1960s and early 70s, Hanson produced life-sized tableaux of realistic figures and pr...

Haskalah

(Encyclopedia)Haskalah häˌskəläˈ [key], [Heb.,=enlightenment] Jewish movement in Europe active from the 1770s to the 1880s. Beginning in Germany in the circle of the German Jewish philosopher Moses Mendelssohn...

Calderón Bridge

(Encyclopedia)Calderón Bridge käldārōnˈ [key], site of a decisive battle in the Mexican revolution against Spain, fought on the Lerma River E of Guadalajara, Jalisco, Mexico. On Jan. 17, 1811, insurgents comma...

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