Biography Category
(th ´´ t ´r ) (KEY) , ancient city of Lydia, now Akhisar, Turkey. It was one of the Seven Churches in Asia and was known for its purple dye (Acts 1...
endocrine gland, situated in the neck, that secretes hormones necessary for growth and proper metabolism. It consists of two lobes connected by a narr...
(thôr´f n kärl´s vn ) (KEY) , fl. 1002–15, Icelandic leader of an attempt to colonize North America. He appeared in Greenland in 1002 and marrie...
semiconductor switch used chiefly in power-control applications. Also called a silicon-controlled rectifier (SCR; see rectifier), it is a variation of...
(tw ng) (KEY) , 1853–1937, American educator and Congregational clergyman, b. New Sharon, Maine, grad. Harvard, 1876, and Andover Theological Semina...
(zhäN bät st´ täv rny ´) (KEY) , 1605–89, French traveler in Asia. He undertook six voyages, which took him as far as the East Indies and Java,...