The Seattle post-intelligencer. [volume] (Seattle, Wash. Terr. [Wash.]) 1888-1914, 1893-12-05
rnor. rrxpaLL Is DEAD.
The Famous EvsIafssnfst, msssrssltss
arsd Srfentlae InvessigateH.

The Famous Er4tuffG014&s AosSfsDs -
ard scientific Investigates.
Loxpox, Dec PROT John Iyndali
died at GO p. m. at Hasiemere Surrey,
where he resided.
John Tyndall was born in the viliaxe
Of Leightonbridge. Ireland. on August a.
lsO Under poor bat strictly reiigious
home life he received good elementary
training in English and the mathematics
OF EEelldsconic sections and plane trlgo-
p0metry. Al 10 he became civil assistant
in the division Of the ordinances SURVEYS.
which included his native village. he
held thi. position until 1874. when he wss
engaged BY . firm in Manchester TO take
part IN railway engineering ls47 found
him . teacher in Queenswood college,
Hampshire, . primary technical school
for engineers and agricuiturists. He
here formed friendship with DIR.
FARMLAND. In the following year
the two friends went TO the Univer-
atty of Aariburg, where they studied uri-
der X. W. Bunsen. Here In conjunction
with Prof knooiuch Tyndal produced
paper on The Magneto-optic Properties
Of Crystals and the Magnesium and
Diamagnetism 10 Molecular Arrange
ment." which was published In the
Philosophical Magazine for lSjo. Gradn-
ating from here IN 1851. he went to Berlin
TO work under Prof. Magnus. His re-
searches were in especial references TO
magnetism and diamagne,ism. His pub
lIcations caused him to be chosen
fellow OF the Royal Society, and IN
1852 he was one Of the secretaries OF the
physical section Of the British association.
lie was chosen TO succeed Faraday In 1853,
as professor of natural philosophy in the
Royal institution at London. Tyndali
first visited Switzerland In 1Si9, but 1890
found him there in the company OF Prof.
III I'll h. oil
country, the result of which formed q
paper. He subsequently visited Switzer-
land every year. In later years, after
heroic exposure, he determined the winter
motion OF the ''Sea OF Ice" The results OF
these glacial investigations we're embodied
In papers on philosophical Transactions
and Glaciers Of the Alps" In 1853 he
began to investigate radiant heat. which
led TO his famous essay, "Heat Considered
as Mode Of Motion, "and his leisure on
Radiation" He received the degree OF
LII. ID. from the University of Cambridge
in 1855 and from Edinburgh in 1854 when
he relieved Faraday in his duties At Trim
ity house, and on the death of that philos-
opher in 1857 he became superintendent OF
the Royal Institution. In 1872 Tyndau
made q very successful lecturing tour In
the United States, treating especially OF
light, heat and sound. The proceeds of
this tour. $i3, coo, after paying travelling
expenses, he gave to . COMMITTEES
designed to promote the study
of natural sciences I'm America.
In the same year Tyndall published in the
Contemporary Reyie1 Q commentator OF
q letter addressed to himself wherein the
writer proposed that the efficacy OF prayer
should be tested by making one ward OF
hospital the special object Of the prayers
of the faithful for q number of years, and
then comparing the rate Of mortality with
that Of other wards. This gave rise to .
widespread controversy and was popularity
denominated as ''Tyndall's Prayer Test. !"
Ia 1873 he received the degree of ID. G. L.
from Oxford. Since then his labors have
been generally related to those of Trinity
house. To him 10 due the beautiful inter-
probation of the changing tints accom-
panying the morning and evening twilight
and the azure color of the ornament.
August Ia. 1874. he presided at the annual
meeting of the British Association held at
Belfast. His opening address excited a
great sensation by its support of material
ism; he declared that he saw ''in matter
the promise and potency Of all forms of
iife." An essay on Sound" published in
1883 was translated into Chinese at the ex-
pense of the Chinese government He was
scientific adviser to the British board of
trade, but resigned the duty in May. 1888.
Prot. Tyndall had . cottage on the Alps
and much of his time was given to the var
ious natural Phenomena to be found in
these lofty regions. he was strenuous
advocate of eyolution.]