ROSCIUS GALLUS, QUINTUS (c. 12662 B.c.)

This article appears in Volume V23, Page 726 of the Encyclopedia Britannica.

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ROSCIUS GALLUS, QUINTUS (c. 12662 B.c.) , Roman actor, was born, a slave, at Solonium, near Lanuvium. Endowed with a handsome face and manly figure, he studied the delivery and gestures of. the most distinguished

advocates

ADVOCATES, FACULTY OF

in the Forum, especially Q. Hortensius, and won universal praise for his grace and elegance on the stage. He especially excelled in comedy. Cicero took lessons from him. The two often engaged in friendly rivalry to try whether the orator or the actor could express a thought or emotion with the greater effect, and Roscius wrote a treatise in which he compared acting and oratory. Q. Lutatius Catulus composed a quatrain in his honour, and the dictator Sulla presented him with a gold ring, the badge of the equestrian order, a remarkable distinction for an actor in Rome, where the profession was held in contempt. Like his contemporary Aesopus, Roscius amassed a. large fortune, and he appears to have retired from the stage some time before his death. In 76 B.C. he was sued by C. Fannius Chaerea for 50,000 sesterces (about 400), and was defended by Cicero in a famous speech.
See H. H. Pfiuger, Cicero's Rede pro Q. Roscio Comoedo (1904). ROSCOE, SIR

HENRY

ENFIELD (1833 ), English chemist, was born in London on the 7th of January 1833. After
studying at Liverpool High School and University College, London, he went to

Heidelberg

HEIDELBERG

work

WORK

under R. W. Bunsen, of whom he became a lifelong friend. In 1857 he was appointed to the chair of chemistry at

Owens

OWENS, JOHN (1790-1846)

College, Manchester, where he remained for thirty years, and from 1885 to 1895 he was M.P. for the

south

SOUTH
SOUTH, ROBERT (1634–1716)

division of Manchester. He served on several royal commissions appointed to consider educational questions, in which he was keenly interested, and from 1896 to 1902 was vice-chancellor of London University. He was knighted in 1884. His scientific

work

WORK

includes a memorable

series

SERIES (a Latin word from serere, to join)

of re-searches carried out with Bunsen between 1855 and 1862, in which they laid the foundations of comparative photochemistry. In 1867 he began an elaborate investigation of vanadium and its compounds, and devised a process for preparing it pure in the metallic state, at the same time showing that the substance which had previously passed for the metal was contaminated with oxygen and nitrogen. He was also the author of researches on niobium, tungsten, uranium, perchloric acid, the solubility of ammonia, &c. His publications include, besides several elementary books on chemistry which have had a wide circulation and been translated into many foreign languages, Lectures on Spectrum Analysis (1869); a Treatise on Chemistry (the first edition of which appeared in 18771892); A New View of

Dalton

DALTON
DALTON, JOHN (1766-1844)

's Atomic Theory, with Dr A. Harden (1896); and an Autobiography (1906). The Treatise on Chemistry, written in collaboration with Carl Schorlemmer (18341892), who was appointed his private assistant at Manchester in 1859, official assistant in the laboratory in 1861, and professor of organic chemistry in 1874, is a standard work.

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