The sun., 1894-09-09

.Dssy.rics Of N. Eye- = Doctrine Of Visual
| eeussttons.r and Doctrine Of Ntsusl Percep-
include every PORTION OF the subject. from the
investigation Of the limits Of human power Of
perception 20 that q the details OF vision.
Of colors. since the appearance Of these inn
po-tant works he has produced enough 10
industrious writer. and gained much b. his
ability 70 put in popular style bis articles on the
lectures uton his resss tches Those on human
ecience. delivered at K5nigsberg in aid OF the
mpSnnment np to Kant AMI iho.s on r,ihii.hs GSnshs
terwsrd translated into Enslish by Prot =.
Scientific subjerts." Prof. fyndali wrote an
Introduction for the volume;
as Professor ot Physics At the University of
Berlin. In 1873 the Copley medal Of the Royal
recognition of his eminent services TO science.
lie had ALREADY heen admitted TO foreign mem
bership A. the French Academy In 1883 En-
peror William T. issued decree by which he
in 1891. he was m sde Precedent and Director q
the Imperial Technical Institute Of Physics AZ
Charlottenberg. q foundation under the control
OF the Department Of the Interior for the eH-
and the technics Of precision. The Government.
IN aprofessionsl way. could confer upon him no
The lie OF Helmhoit1 was devoted wholly TO
scientific work. He never took any interest 10
politics. as many other German men of science
moral or religious problem ever appeared in his
writings. Although entirely wrapped up In his
guilty OF the claims Of priority in his disoov.
cries in fact. he several times published notes
he and the scientific world believed them TO be.
He did mnch to bring into notice the works OF
other physicists. notably the Americans, Row
scientists which he found it at times impossib 2
~ avoid be was impatient OF personalities. AN
sought only to find out the truth and publish 4.
Hemholtz was artstocratc In tastes and In
appearance, Physically he was tall with unu-
iualiy broad shoulder, end wei; ;6uiit %, hGnre.
gray moustache. and he had a fine. straight
nose. and pair Of penetrating steel-gray eyes
IN q crowd. by his hne carriage and figure.
ne yas very popular smons NE stuaenii1i
classes In the lecture rOom at the uni:
versity he was always greeted by crowd
students hailed his entrance with hsndclapping
and "rustling OF the feet"-the highest mark
of honor. In his lectures be was hot an orator
He spoke slowly and deliberately and in a calm
voice. His language was simple and free from
long and Involved phrases. The exposition Of
the students how TO think for themselves and
how 10 work. Few iders listened 10 him long.
birthdsy anniversary in 1881 he received honors
which few men have won. Addresses honorary
titles, and presents were showered upon him
seemingly Ia endless procession. Every civilized
land paid its tribute TO his genius. celebra.
tion was given In his honor Jointly with that Of
NlTtnON. VINO was AlrO ~ ythES OlA tho bhmo
year. when the greatest cons OF Germany Joined
In singing the praises VI the two men who stood
at the head Of science.
Helmholz came TO thi, country last year to
ace the Worlds Fair. and delivered n lecture on
his discovery OF the ophthamoscope at the Col
lege of Ply ystcians and Surgeons, in this city, on
Oct. 3. He spoke In English. and the many per
sons who had gathered to hear him listened with
rapt attention. He remained here several days:
and many receptions were given in honor OF
himself and his wife.
Helmholtz was unfortunate In two OF his chill
another son. however. who seems TO have tnher-
ited his fathers genius.