Biography Category
( ly kh´ n) (KEY) , 1892–1946, Russian-French chess player, b. Moscow. He became a naturalized French citizen after the Russian Revolution. At the ...
(all: b ´h m) (KEY) , b. 1436? or 1459?, d. 1506?, German traveler and cosmographer. He studied (possibly under Regiomontanus) astronomy, navigation,...
endocrine gland, situated in the neck, that secretes hormones necessary for growth and proper metabolism. It consists of two lobes connected by a narr...
(y ´z f ä´l s sh m´p ´´t r) (KEY) , 1883–1950, Austrian-American economist, LL.D. Univ. of Vienna, 1906. He began practicing law but turned t...
(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...
1906–88, German electrical engineer. By applying the discovery that electron waves are 100,000 times shorter than those of light, Ruska built a micr...