Evening public ledger. [volume] (Philadelphia [Pa.]) 1914-1942, 1919-02-17
"
LOUIS E. LEVY
DIES in STREET
Noted Inventor, Philan-
thropist and Scientist
Apoplexy Victim
WIDOW CRITICALLY ILL
Was Originator of Photo-En-
craving and Half-Tone
Process
WIDOW CRITICALLY ILL

Louis Edward Levy. vice president OF
the Franklin Institute. scientist, in
vsntor and philanthropist, died suddenly
Of apopiexy last night at Broad and
Master streets. He was seventy-threc
years old.
while on his way home from q visit
10 friend, Mr.. Levy became violently
~. and toppled over in the street
Passersby, who saw Mr. Levy fall
picked him up and carried him into the
Benjamin f. Teller sohooi, whcrc he
died before the arrival of physician.
DR.. II. S. Jurist, of 1906 North Broad
street, who arrived soon afterward. said
death was caused from apopleKy.
Mr.. Levy's widow, Mrs Pauline
Levy, is critically ill at their home,
i424 North Fifteenth street. She has
not, been told Of her husbands death.
Mr.. Levy was president Of tho jewish
immigration society. 1Ic was tho In
ventor Of photo-engraying and halftonc
processes lie gained International
recognition through his inventions.
Opened optical Shop
Mr. Levy came TO the United states
from Bohemia flfty-dve years ago and
opened an optical shop in Detroit. later
coming to this city. In addition to his
widow, he is survived by Il daughter,
Miss Hortense Levy, and two sons, How
ard s. Levy and Lionel T. Levy. Miss
Levy is now a telephone operator I'm
Treves, with the United states army of
occupation.
Mr.. Levy was a member of tho COM
nittee on science and arts and also
vice president of the Franklin Institute,
He received in 1895. Jointly with his
brother, Max L. Levy, the John scott
legacy medal for invention Of tho Lcyy
line screen.
In 1900 he was given the Elliott Crcs-
son gold medal for'his invention of tho
Levy acid blast. He was given a medal
and diploma at tho worlds fair IN Chi-
cago, in 1898, for original discoveries
and was decorated by tho Imperial
Photographic Society of Russia in 1896.
Gold Medal at Paris
Mr.. Levy was given a gold medal at
tho Paris Exposition in 1900 and again
at the ST. Louis Exposition in 1904 for
his acid blast invention.
At the st. Louis Exposition in 1904,
Mr.. Levy was given a gold medal for
his invention of an etch-powdering ma
chine. For tho latter the Franklin In
s,itute awarded him the Elliott Cresson
gold medal in 1907. He received also a
silver medal at the San Francisco EN-
position in 1918.
In Government Meteorological Service
In 1866, Mr. Levy was employed in
the Meteorological Observatory OF the
United States Lake Survey Station at
Detroit. and afterward attended scicu-
tific lectures at Ann Arbor University.
Microscopic photography next engaged
his attention. and his Investigations led
10 results which were published i'll 1870
: and spread his name here and abroad.
After extensive travel, Mr.. Levy
settled in Baltimore in 1873, and there
continued his labors in photo-cheniCal
engraving, bringing forth a process
which rapidly gained favor and patron
age. This process, completed In con-
junction with David Bacharach, Jr., of
Baltimore, was given the distinctive
name OF the 'Levytype,' and was pat
ented in January, 1875. Among the
earliest works illustrated by this sys-
tenn was DR.. Solomon Deutsch's book
on biblical history. Many literary pub
llcations and art works have been a.
lustrated by the process OF which Mr..
Levy was the inventor.
In the newspaper world Mr.. Levy
was connected in different capacities
and at different times with the Detroit
Post, the Polytechnic Review, the
Engineering and Mining journal, the
Journal of Fabrics, New York city,
and the Industrial Review and Tex
tile Reporter of this city. For the
columns of these and other publications
Ee wrote numerous articles on various
subjects, manifesting his grasp of tech
nical questions.
In 1884 Mr.. Levy became associated
with others In the publishing Of a wori
of magnitude, called The Iconographic
Encyclopedias of the Arts and Sci
ences," task assumed in accordance
with an agreement made with F. Brock
haus, the noted Leipsic publisher. A
company controlled the publication; Mr.
Leyv managed its AFFAIRS. The worl
consists of fifteen volumes.
Besides translations from the Ger
man made by experts, this enCyclo
pedia.y copiously illustrated, is distin
guished by original work Of American
. -scholars and specialists, among then
Mr.. Levy, who wrote a special volum,
ON THE Graphic Arts"
From Mr.. Levy's press there issueC