(Encyclopedia) americiumamericiumămərĭˈshēəm [key], artificially produced radioactive chemical element; symbol Am; at. no. 95; mass no. of most stable isotope 243; m.p. about 1,175℃; b.p. about 2,600…
(Encyclopedia) Gates, Horatio, c.1727–1806, American Revolutionary general, b. Maldon, Essex, England. Entering the British army at an early age, he fought in America in the French and Indian War and…
(Encyclopedia) Harriman, Edward Henry, 1848–1909, American railroad executive, b. Hempstead, N.Y.; father of William Averell Harriman. He became a stockbroker in New York City and soon entered the…
