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GAIUS LICINIUS MACER CALVUS (82-47 B.C.)

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Originally appearing in Volume V16, Page 587 of the 1911 Encyclopedia Britannica.
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GAIUS See also:LICINIUS See also:MACER CALVUS (82-47 B.C.)  , See also:Roman poet and orator, was the son of the annalist See also:Licinius See also:Macer . As a poet he is associated with his friend See also:Catullus, whom he followed in See also:style and choice of subjects . As an orator he was the See also:leader of the opponents of the florid See also:Asiatic school, who took the simplest See also:Attic orators as their See also:model and attacked even See also:Cicero as wordy and artificial . Calvus held a See also:correspondence on questions connected with See also:rhetoric, perhaps (if the See also:reading be correct) the See also:commentarii alluded to by See also:Tacitus (Dialogus, 23; compare also Cicero, Ad Fam. xv . 21) . Twenty-one speeches by him are mentioned, amongst which the most famous were those delivered against Publius Vatinius . Calvus was very See also:short of stature, and is alluded to by Catullus (See also:Ode 53) as Salaputium disertum (eloquent Lilliputian) . For Cicero's See also:opinion see See also:Brutus, 82; See also:Quintilian X . I . IIS; Tacitus, Dialogus, 18 . 21; the monograph by F . Plessis (See also:Paris, 1896) contains a collection of the fragments (See also:verse and See also:prose) .

he is best known for his investigations in See also:

electricity, more especially as to the so-called See also:Lichtenberg figures, which are fully described in two See also:memoirs Super nova methodo motum ac naturam fluidi electrici investigandi (See also:Gottingen, 1777-1778) . These figures, originally studied on See also:account of the See also:light they were supposed to throw on the nature of the electric fluid or fluids, have reference to the See also:distribution of electricity over the See also:surface of non-conductors . They are produced as follows: A See also:sharp-pointed See also:needle is placed perpendicular to a non-conducting See also:plate, such as of See also:resin, ebonite or See also:glass, with its point very near to or in contact with the plate, and a See also:Leyden See also:jar is discharged into the needle . The electrification of the plate is now tested by sifting over it a mixture of See also:flowers of See also:sulphur and red See also:lead . The negatively electrified sulphur is seen to attach itself to the positively electrified parts of the plate, and the positively electrified red lead to the negatively electrified parts . In addition to the distribution of See also:colour thereby produced, there is a marked difference in the See also:form of the figure, according to the nature of the electricity originally communicated to the plate . If it be See also:positive, a widely extending patch is seen on the plate, consisting of a dense See also:nucleus, from which branches radiate in all directions; if negative the patch is much smaller and has a sharp circular boundary entirely devoid of branches . If the plate receives a mixed See also:charge, as, for example, from an See also:induction coil, a " mixed " figure results, consisting of a large red central nucleus, corresponding to the negative charge, surrounded by yellow rays, corresponding to the positive charge . The difference between the positive and negative figures seems to depend on the presence of the See also:air; for the difference tends to disappear when the experiment is conducted in vacuo . Riess explains it by the negative electrification of the plate caused by the See also:friction of the See also:water vapour, &c., driven along the surface by the See also:explosion which accompanies the disruptive See also:discharge at the point . This electrification would favour the spread of a positive, but hinder that of a negative discharge . There is, in all See also:probability, a connexion between this phenomenon and the peculiarities of positive and negative See also:brush and other discharge in air .

As a satirist and humorist Lichtenberg takes high See also:

rank among the See also:German writers of the 18th See also:century . His biting wit involved him in many controversies with well-known contemporaries, such as See also:Lavater, whose See also:science of See also:physiognomy he ridiculed, and See also:Voss, whose views on See also:Greek See also:pronunciation called forth a powerful See also:satire, Uber See also:die Pronunciation der Schopse See also:des See also:alten Griccheulandes (1782) . In 1769 and again in 1774 he resided for some See also:time in See also:England and his Briefe aus England (1776-1778), with admirable descriptions of See also:Garrick's acting, are the most attractive of his writings . He contributed to the Gottinger Taschenkalender from 1778 onwards, and to the Gottingisches Magazin der Literatur and Wissenschaft, which he edited for three years (1780-1782) with J . G . A . See also:Forster . He also published in 1i94-1799 an Ausfiihrliche Erkldrung der Hogarthschen h upferstiche . Lichtenberg's Vermischte Schriften were published by F . Kries in 9 vols . (1800–18o5) ; new See also:editions in 8 vols . (1844–1846 and 1867) .

Selections by E . Grisebach, Lichtenbergs Gedanken and Maximen (1870; by F . Robertag (in Kurschner's Deutsche Nationalliteratur (vol . 141, 1886); and by A . See also:

Wilbrandt (18933) . Lichtenberg's Briefe have been published in 3 vols. by C . Schiiddekopf and A . Leitzmann (19oo–19o2) ; his Aphorismen by A . Leitzmann (3 vols., 1902–1906) . 'See also R . M . See also:Meyer, See also:Swift and Lichtenberg (1886) ; F .

Lauchert, Lichtenbergs schriftstellerische Tatigkeit (1893); and A . Leitzmann, Aus Lichtenbergs Nachlass (1899) .

End of Article: GAIUS LICINIUS MACER CALVUS (82-47 B.C.)
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