See also:

• FRANCOIS (1558-1614)

FRANCOIS See also:

• FELIX
• FELIX, ANTONIUS
• FELIX, LIA (1830– )

FELIX See also:

• FRANCOIS FELIX TISSERAND (1845-1896)

TISSERAND (1845-1896)  , See also:

• FRENCH
• FRENCH, DANIEL CHESTER (1850– )
• FRENCH, NICHOLAS (1604-1678)

French astronomer, was See also:

• BORN, IGNAZ, EDLER VON (1742–1791)

born at Nuits-See also:

• SAINT (lat. sanctus, " holy ")

Saint-Georges, Cote-d'Or, on the 13th of See also:

• JANUARY

January 1845 . In 1863 he entered the Ecole Normale Superieure, and on leaving he went for a See also:

• MONTH
• MONTH (a common Teutonic word, cf. Ger. Mond, Du. maand, Dan. maaned, &c., and cognate with Lat. mensis, Gr. µi7v, &c., in other branches of the Indo-Germanic family; all ultimately from the root seen in the word for the moon in nearly all those languages

month as See also:

• PROFESSOR (the Latin noun formed from the verb profiteri, to declare publicly, to acknowledge, profess)

professor at the lycee at See also:

• METZ

Metz . Le Verrier offered him a See also:

• POST

post in the See also:

• PARIS
• PARIS (also called ALEXANDROS)
• PARIS, ALEXIS PAULIN (1800-x881)
• PARIS, BRUNO PAULIN GASTON (1839-1903)
• PARIS, FRANCOIS DE (169o-1727)
• PARIS, LOUIS PHILIPPE ALBERT
• PARIS, TREATIES OF (1814-1815)

Paris See also:

• OBSERVATORY

Observatory, which he accordingly entered as astronome adjoint in See also:

• SEPTEMBER (Lat. septem, seven)

September 1866 . In 1868 he took his See also:

• DOCTOR (Lat. for " teacher ")

doctor's degree with a brilliant thesis on See also:

• DELAUNAY, ELIE (1828-1891)
• DELAUNAY, LOUIS ARSENE (1826-1903)

Delaunay's Method, which he showed to be of much wider See also:

• SCOPE (through Ital. scopo, aim, purpose, intent, from Gr. o'KOaos, mark to shoot at, aim, o ic07reiv, to see, whence the termination in telescope, microscope, &c.)

scope than had been contemplated by its inventor . Shortly afterwards he went out to Malacca to observe the famous See also:

• SOLAR, SOLLER (Lat. solarium, Fr.• galetas, Ital. solaio)

solar See also:

• ECLIPSE (Gr. €uheo,tis, falling out of place, failing)

eclipse of the 18th of See also:

• AUGUST (originally Sextilis)

August 1868 . In 1873 he was appointed director of the observatory at See also:

• TOULOUSE
• TOULOUSE, LOUIS ALEXANDRE DE BOURBON, COUNT OF (1678-1737)

Toulouse, whence he published his Recueil d'exercices sur le calcul infinitesimal, and in 1874 became corresponding member of the See also:

• ACADEMIC

Academic See also:

• DES

des Sciences . He took See also:

• PART

part in the French expeditions of 1874 to See also:

• JAPAN

Japan, and in 1882 to See also:

• MARTINIQUE

Martinique to observe the transits of See also:

• VENUS

Venus . In 1878 he was elected a member of the Academie des Sciences in See also:

• SUCCESSION (Lat. successio, from succedere, to follow after)

succession to Le Verrier, and became a member of the See also:

• BUREAU (a Fr. word from burel or bureau, a coarse cloth used for coverings)

Bureau des Longitudes . In the same See also:

• YEAR

year he was appointed professeur suppleant to Lionville, and in 1883 he succeeded Puiseux in the See also:

• CHAIR (in. Mid. Eng. chcere, through O. Fr. chaire or chaiere, from Lat. cathedra, later caledra, Gr. xaOi3pa, seat, cf. "cathedral"; the modern Fr. form chaise, a chair, has been adopted in English with a particular meaning as a form of carriage; chaire

chair of See also:

• CELESTIAL, OR STELLAR

celestial See also:

• MECHANICS

mechanics at the See also:

• SORBONNE

Sorbonne . See also:

• TISSERAND, FRANCOIS FELIX (1845-1896)

Tisserand always found See also:

• TIME (0. Eng. Lima, cf. Icel. timi, Swed. timme, hour, Dan. time; from the root also seen in " tide," properly the time of between the flow and ebb of the sea, cf. O. Eng. getidan, to happen, " even-tide," &c.; it is not directly related to Lat. tempus)
• TIME, MEASUREMENT OF
• TIME, STANDARD

time to continue his important researches in mathematical See also:

• ASTRONOMY (from Gr. &arpov, a star, and v ,usiv, to classify or arrange)

astronomy, and the pages of the See also:

• CORN (a common Teutonic word; cf. Lat. granum, seed, grain)
• CORN (fromm Lat. corms, horn)

Corn pies rendus See also:

• BEAR
• BEAR, BLACK
• BEAR, BROWN
• BEAR, GRIZZLY
• BEAR, ISABELLINE
• BEAR, WHITE

bear See also:

• WITNESS
• WITNESS (from O. Eng. witan, to know)

witness to his surprising activity . His writings relate to almost every See also:

• BRANCH (from the Fr. branche, late Lat. branca, an animal's paw)

branch of celestial mechanics, and are always distinguished by rigour and simplicity in the See also:

• SOLUTION (from Lat. solvere, to loosen, dissolve)

solution of the mdst difficult problems . He treated in a masterly manner (Bulletin astronomique, 1889) the theory of the See also:

• CAPTURE (from Lat. capere, to take; Fr. prise maritime; Ger. Wegnahme)

capture of comets by the larger See also:

• PLANETS, MINOR

planets, and in this connexion published his valuable Criterion for establishing the identity of a periodic See also:

• COMET (Gr. Koµieiis, long-haired)

comet, whatever may have been the perturbations brought about in its See also:

• ORBIT (from Lat. orbita, a track, orbis, a wheel)

orbit, between successive appearances, by the See also:

• ACTION

action of a See also:

• PLANET (Gr. ssXavirrns, a wanderer)

planet .

His See also:

• PRINCIPAL

principal See also:

• WORK

work, Traite de mecanique See also:

• CELESTE, MADAME (1815–1882)

celeste, is the noblest and most lasting See also:

• MONUMENT (Lat. monumentum or monumentum; from monere, to advise, bring to mind, remind; the German equivalent is Denkmal)

monument to his memory, and is worthy to stand beside the Mecanique celeste of his See also:

• FELLOW

fellow-countryman, See also:

• LAPLACE, PIERRE SIMON, MARQUIS DE (1749—1827)

Laplace . In this See also:

• TREATISE

treatise, published in four See also:

• QUARTO

quarto volumes, the last of which appeared only a few months before his See also:

• DEATH

death, he fused into one harmonious whole the researches of Laplace and those of other workers in the same See also:

• FIELD (a word common to many West German languages, cf. Ger. Feld, Dutch veld, possibly cognate with O.E. f olde, the earth, and ultimately with root of the Gr. irAaror, broad)
• FIELD, CYRUS WEST (1819-1892)
• FIELD, DAVID DUDLEY (18o5-1894)
• FIELD, EUGENE (1850-1895)
• FIELD, FREDERICK (18o1—1885)
• FIELD, HENRY MARTYN (1822-1907)
• FIELD, JOHN (1782—1837)
• FIELD, MARSHALL (183 1906)
• FIELD, NATHAN (1587—1633)
• FIELD, STEPHEN JOHNSON (1816-1899)
• FIELD, WILLIAM VENTRIS FIELD, BARON (1813-1907)

field since his time . It furnishes a faithful and See also:

• COMPLETE

complete resume of the See also:

• STATE
• STATE, GREAT OFFICERS OF

state of knowledge in that See also:

• DEPARTMENT (Fr. departement, from departir, to separate into parts)

department of astronomy at the end, as Laplace's See also:

• GREAT

great work did for the beginning, of the 19th See also:

• CENTURY (from Lat. centuria, a division of a hundred men)

century . In 1892 he succeeded See also:

• MOUCHEZ, AMEDEE ERNEST BARTHELEMY (1821-1892)

Mouchez as director of the Paris Observatory, and as See also:

• PRESIDENT (Fr. president, from Lat. praesidens, post-Augustan Lat. for praeses, director, ruler, from praesidere, to sit in front of, preside)

president of the See also:

• COMMITTEE (from commute, an Anglo-Fr. past participle of commettre, Lat. committere, to entrust; the modern Fr. equivalent comite is derived from the Eng.)

committee of the photographic See also:

• CHART (from Lat. carta, charta, a map)

chart of the heavens he contributed largely to the success of that great project . Under his direction the revision of See also:

• LALANDE, JOSEPH JEROME LEFRANCAIS DE (1732-1807)

Lalande's See also:

• CATALOGUE (a Fr. adaptation of the Gr. KaraXoyos, a register, from Karalyety, to enrol or pick out)

catalogue was brought almost to completion, and four volumes of the Annales de l'Observatoire de Paris exhibit the progress made in this important undertaking . He was also editor of the Bulletin astronomique from the beginning, and contributed many important articles to its pages . He died suddenly, in the fullness of his See also:

• POWER [WILLIAM GRATTAN] TYRONE (1797-1841)

power, of congestion of the See also:

• BRAIN (A.S. braegen)

brain, on the loth of See also:

• OCTOBER

October 1896 . (A . A .