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 HERRINGSHAWS LIBRARY OF AMERICAN BIOGRAPHY,

600

Le Conte, Joseph, «'(hKator, geologist, scientist, was born Feb. 2«, 1823, in Liberty county,

Cia.

He

in

diHtinguished in the annals of American science; has served as president of the American association for the advancement of science; and as president of the geological H»»ciety

In

iSol

of

America.

in

company

with Agasiiiz he studied the keys and reefs of
 * ')<}

of

Florida.

he was geology

In 1852professor and nat-

ural history in the univernity of Georgia; wiXH professor of chemistry and geology at

Carolina college; and in 18CS> was called to the chair of geology and natural history at the university of California. In 1857 he delivered lectures on Coal and on Coral Reefs before the Smithsonian instiBesides genealogy he has devoted his tute. attention to the phenomena and theory of binocular vision; and in 1800-77 published various investigations on that subject. Le Count, James M., journalist, poet, was born .*M«pt. 24, 183.'), in Lyons, N.Y. Since IH7<5 he has bi-en the editor and owner of The Press of Hartford. Wis. He is the author of a volume of poems entitled The the .S»)ut'i

Hermit of Holy

Hill.

Charles, cartoonist, artist, was born in 18.')(i in Lowell, Mass. Since 1875 he ha.-< been a cartoonist and illustrator for Frank Leslie's, Harper's, New York World,

Lederer,

assayer and chemist. He is a fellow of the American association for the adlurgist,

vancement of science. Ledoux, John Walter, civil engineer, inwas born Aug. 28, 1800, in St. Croix Falls, Wis. In 1887 he graduated from Le-

ventor,

Since high university aa a civil engineer. 1887 he has l>een engaged almost exelusively in hydraulic engineering; and principally with wat«'r works investigation, design and constriietion. Since 1890 he has been chief engineer of the American pijje manufacturing company of l'hiladel])hia, Va. and has had charge of the design and engineering of over one hundred waterworks systems built hy thai company. He has made reports on hundreds of water supply and water power

pnijects in

the

I'nitinl

States,

tions.

Ledoux, Louis Vernon, scientist, author, .lime 0. 1880, in New York city. I'Muaged as a mining engineer and He is the author of Songs from the Silent I<and and the Soul's Progress and (Ulier I'oems.

was horn

He

is

melalhir;:ist.



Le Due, William Gates, railroad builder, was in Wilkesville, Ohio.

soldier,

bom March

quartermaster;

leading; publications.

joined the soldier,

Since 1872 he has been engaged in pastoral work; and now tills a pastorate in Ranger,

N.C. Ledlie, James Hewett, soldier, civil engineer, wiiH horn April 14, 1832, in Utica, N.Y. During the civil war he was chief of artillery and was brevetted brigadier-general of volunteers. At the time of his death he was chief engineer of railways in California and Nevada; and president of the Baltimore. Cincinnati and Western railroad e«»nMtruetion eompanv. He died Aug. 15, 1882. in New Brigliton, N.Y. Ledoux, Albert Reid, metallurgist, mining engineer, wiis born Nov. 2, 1852. in Newport, Ky. In 1870-80 he was state chemist and n member of the state board of health of North Carolina; and since 1880 has been in practice as a consulting engine<'r, metal-

army

of the

where he became chief quartermaster; and was promoted to brevet brigaTennessee,

edu-

cator, clergyman, state senator, was born Nov. 14, IS3S. in Hun.ombe county, N.C. He was a successful educator in Georgia; and in the civil war was captain of company B, sixth (jeorgia cavalry. In 1804 he served as a member of the state senate of (Jeorgia; and for four years was county school superintendent of I'nion county, (Ja.

1823,

tered the union army as captain and assist-

ant

Benjamin Mercer,

farmer,

29.

At the breaking out of the civil war he en-

Chicago Record, Chicago Chronicle and other Ledford,

Mexico and

I'orto Rico: and is consulting water supply engineer for several railroads. He is the inventor of UKH-hanical and sand tilter appliances, automatic air valves, and several forms of water meters for large pipes; and holds seven Tnited States patents. He is a frequent contributor to engineering publica-

dier-general.

appointed

He was

commission-

at Washington, in which served IMsitiim he four years. He is president Hastings and Dakota railway; and is engaged in agriculer- of

agriculture

ture.

Ledyard, Edgar Madison, educator and Los Hanos, P.I.. was born May

entist of

sci10.

1875. in Salem. Mich. He has receivivl the degree of bachelor of science in agriculture. In 1S99-190G he was jtrincipal, suiwrintendent and teacher in the public schools of l*errington. Sterling and Diirand. Mich., and in the I'hilippine Islands. In 1900-08 he was head of the deparinient of science in the Manila hich school and since 1909 has been entomologist in the college of agriculture at the university of the rhilii>pines.

Ledyard, Erwin, soldier, journalist, legisauthor, was born in Nashville, Tenn.

lator,

He

8erve<l in the civil war in the third Alabama regiment wnfeilerate «er-ice. In 1879-

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