D'Albert
EUGEN, an Anglo-Ger- Scotland, April 10, 1864. man pianist and composer; born in Glasgow, Sc studied at Weimar under Liszt and became famous as a performer when only 18 years of age. He made numerous suc- cessful concert tours in the United States and throughout Europe, and was especessful concert tours in the United States and throughout Europe, and was especially famous for his interpretations of Bach and Beethoven. He was considered one of the finest technicians and his ered one of the finest technicians and his intellectuality and fire placed him in the foremost rank of pianists. His composi- tions included many pieces for the piano, formed in New York in 1908. numerous songs, and several operas, of which latter "Im Tiefland" was performed in New York in 1908. in Sweden. The name, meaning "valley- DALECARLIA, or DALARNE, a tract inhabitants by the noble struggles which land," is kept alive in the minds of the the Dalecarlians, its inhabitants, made to establish and maintain the independence of the country. 1717; was the natural son of Madame de lon-bār'), a French mathematician and 1717; was the natural son of Madame de encyclopædist; born in Paris, Nov. 16, and was brought up by the wife of a poor glazier; but his father, without publicly acknowledging the paternity, secured to him an allowance of 1,200 francs a year.
DALHOUSIE zarin, where he soon showed his lifelong passion for mathematical studies. His first distinction was admission at 23 to the Academy of Sciences. Two years later appeared his "Treatise on Dynamics," which reduces all the laws of motion to the consideration of equilibrium, thereby marking an epoch in mechanical philosophy. Later works were: "General Cause of Winds," which gained the prize of the Academy of Berlin, 1746, and which contains the first conception and use of the Calculus of Partial Differences; "Equilibrium and Movement of Fluids" (1744); "Precession of the Equinoxes and Change of the Axis of the Earth" (1749); and "The Several Important Points in the System of the World" (1754).
Works" (8 vols His "Mathematical vols. 1761-1780) contain an immense number of memoirs, some on new subjects, some containing developments of his previous works. D'Alembert did not confine himself to physical science. For the great "Encyclopédia" planned by Diderot he wrote the famous "Preliminary Discourse," a noble tribute to literature and philosophy. Besides numerous articles in the "Encyclopédia" (the mathematical portion of which he edited), he published books on philosophy, literary criticism, the theory of music, and a treatise "On the Destruction of the Jesuits" (1765), which involved him in controversy. He became secretary to the Academy in 1772, and thereafter he wrote the lives of all the members deceased between 1700 and that year-one of the most pleasing of his works. His literary works have been published by Bossange (5 vols., 1821).
He died Oct. 29, 1783.