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Ingersoll, Robert Green

(Encyclopedia) Ingersoll, Robert Green, 1833–99, American orator and lawyer, b. Dresden, N.Y. The son of a Congregational minister who eventually settled in Illinois, Ingersoll was admitted (1854) to…

blue-green algae

(Encyclopedia) blue-green algae, popular name for those microorganisms that are now more properly called cyanobacteria.

Erikson, Erik

(Encyclopedia) Erikson, Erik, 1902–94, American psychoanalyst, b. Germany. As a young man he traveled throughout Europe. He became a teacher in a Vienna private school and trained as a psychoanalyst…

Andersson, Bibi

(Encyclopedia) Andersson, Bibi, 1935–2019, Swedish actress best known for her work with director Ingmar Bergman, b. Berit Elizabeth Andersson. Her films with Bergman included The Seventh Seal (1957…

defense mechanism

(Encyclopedia) defense mechanism, in psychoanalysis, any of a variety of unconscious personality reactions which the ego uses to protect the conscious mind from threatening feelings and perceptions.…

Travis, William Barrett

(Encyclopedia) Travis, William BarrettTravis, William Barretttrăvˈĭs [key], 1809–36, hero of the Texas Revolution, b. Edgefield co., S.C. He moved to Claiborne, Ala., where he practiced law. Travis…

Colorado–Big Thompson project

(Encyclopedia) Colorado–Big Thompson project, constructed by the U.S. Bureau of Reclamation to divert water from the headstreams of the Colorado River to irrigate c.720,000 acres (291,400 hectares)…

Bradlee, Ben

(Encyclopedia) Bradlee, Ben (Benjamin Crowninshield Bradlee), 1921–2014, American newspaper editor and journalist, b. Boston, Mass., grad. Harvard, 1942. After serving in the navy during World War II…

olivine

(Encyclopedia) olivineolivineŏlĭvˈēn [key], an iron-magnesium silicate mineral, (Mg,Fe)2SiO4, crystallizing in the orthorhombic system. It is a common constituent of magnesium-rich, silica-poor…