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Baldwin I, Latin emperor of Constantinople

(Encyclopedia)Baldwin I bôlˈdwĭn [key], 1171–1205, 1st Latin emperor of Constantinople (1204–5). The count of Flanders (as Baldwin IX), he was a leader in the Fourth Crusade (see Crusades). After the seizure...

lewisite

(Encyclopedia)lewisite lo͞oˈəsītˌ [key], liquid chemical compound used as a poison gas. Like mustard gas and nitrogen mustard, it is a blistering agent; when inhaled, it is a powerful respiratory irritant. The...

Kielland, Alexander Lange

(Encyclopedia)Kielland, Alexander Lange äləksänˈdər längˈə khĕlˈlän [key], 1849–1906, Norwegian novelist, short-story writer, and playwright. Two early volumes of short stories—Tales of Two Countries...

Goltz, Colmar, Freiherr von der

(Encyclopedia)Goltz, Colmar, Freiherr von der kôlˈmär frīˈhĕr fən dər gôlts [key], 1843–1916, Prussian field marshal and military historian. A soldier, he served in the Austro-Prussian War (1866) and the...

gas mask

(Encyclopedia)gas mask, face covering or device used to protect the wearer from injurious gases and other noxious materials by filtering and purifying inhaled air. In addition to military use (see chemical warfare)...

Rosamond, mistress of Henry II of England

(Encyclopedia)Rosamond (Rosamond Clifford), d. 1176, mistress of Henry II of England. She was not openly acknowledged by the king until 1174, after he had imprisoned his wife, Eleanor of Aquitaine. On Rosamond's de...

strychnine

(Encyclopedia)strychnine strĭkˈnĭn [key], bitter alkaloid drug derived from the seeds of a tree, Strychnos nux-vomica, native to Sri Lanka, Australia, and India. It has been used as a rat poison for five centuri...

Haber, Fritz

(Encyclopedia)Haber, Fritz häˈbər [key], 1868–1934, German chemist. He was a professor of physical chemistry at Karlsruhe and became director of the Kaiser Wilhelm Institute at Dahlem in 1911. During World War...

silver nitrate

(Encyclopedia)silver nitrate nīˈtrāt [key], chemical compound, AgNO3, a colorless crystalline material that is very soluble in water. The most important compound of silver, it is used in the preparation of silve...

Baybars I

(Encyclopedia)Baybars I bīˈbärs [key], 1223–77, Mamluk sultan (1260–77) of Egypt and Syria. Once a Turkish slave, Baybars became a commander of the Ayyubid and then Mamluk armies. In 1260 he led Mamluk troop...