New-York tribune. [volume] (New York [N.Y.]) 1866-1924, 1871-09-18
OBITU4RY.
PROFESSOR DENNIS IL. MAIIAN, Ii. u.

| On Saturday morning, Dennis H. hiaaan
Professor OF Military and Civil Engineering at west
Point took passage from that place to NeWloIX Oh thc
steamboat Mary Powell. His conduct seemed 10 excite
the apprchensons OF his hOusckcepcr who accompanied
him on the Journey. She kept such careful watch over
bin as to annoy IN. and he prulany requested her to
| cease following him. At moment when he was free
from her supervision he drew oil his coat ana shoes and
plunged into the water and probably received dow
| from the paddlc-whee while he was IN the water lie
sank immediately and all efforts to recover MS ohy
were in vain supposed that the cause OF his suicide
was the recommendation made By the Board OF Visitors
at West Point last June that he be placed upon tho re-
| tired list, which strangely affected his mind.
ond was onpontcd Cadet at thy %' Ne~ i'F u, is
Academy his 18th year. lie Acting Assistant Pro-
fcssor of Mathematics in that institution from ISL un
1924 when he graduated. lie was at once appointed
Second Lieutenant In the Engineer Cops, ami was As
sstan Professor of Mathematics untl ls5 when he be-
came Assistant Professor of Engineering &c" az West
Point He under orders IN Europe from september
1927, to May, $780, having been attached in JANUARY 1872
to the Military school for Engineers ANA Artil!rrsis at
Metz France, by permission of the French Government
On his return to America in $780, he was made Acting
Professor of Military and Civil Engineering and the
Science of War; at West Point and in the following year
was made full Professor, and retained tbs post until
the tine of his death
Prof Mahan is well known IA thc author OF many
standard works on Military Science III is he pub
lished Elementary Treatise of Civil Engineering, Of
which about 5000 copies were sold new work was
published with tr title, and Is the one now
i'll print. This work gives such a condensed view Of
most Of the branches Of elementary engineering a. may
serve for good introduction to the larger works 10
which il everywhere refers the student. 1t the most
valuable work on the subject in the English language it
has been translated into German in Germany In 1896
he published Treatise Field Fortihcaticns OF which
six or seven editions sold. He also published
Trno IN Advanced Guards.
Service of Troops OF which about LOO copies We're sold,
and another Treatise Permanent Fortifcations ltho
grabbed with plates at the press of the L. - Military
Academy for the of the cadets About 400 copies OF
this work disguised Of. In 1852 lac published
Treatise on Industrial Drawing. which is OF the most
manuals yet published on the subject In 1853
MoscL.ys Mechanical Principles OF Architect ure and
Engineering was published with an appendix by Prof.
Mahan The works Of Prof. Hahan are authoritative
standards and are used text books in the Military
Academy NJ West Point-the scientific reputation OF
whose corps OF professors is well csabshcd-and in
several Of the colleges OF the United states.
EX-JUDGE 8. II. STUART.
sydney Harrison Stuart, the eminent Grim
ina LAWYER died at his residence in E!ghy-iourt-st
Friday evening, age co. He born in BranchOrd,
Sussex County n. j.. May T. 1911, in hunbt cirrum-
stances and his .ubsc quont advancement a"u Influence
we're solely the rcsu of untir!ng energy ana an nloh-
liable ambition. His father was miller ana sydney
eldest Of idrE; !dlI Vi 'SSl>'cui III
the mill until his twentieth year. when he came To New
York Unable to read WRITE lie took the hSt position
That offered itself that of porter in store, ana Ecrc
he soon stored the alphabet by studying the directions
AMI cards upon boxes Pursuing his studies ny TAXING
books from circulating library. lie gradually improved
himself SO that in l,i lie was appointed Cieih III the
Frat District Police Court. Becoming interested ia inc
study Of law he resolved to make 1t MS pl"icS-"h'
Through Ill gent application. he was soon admitted |"
the bar and subsequently was appointed ioil'e
Justice In 1854 he elected tlty judge
position which lie held for three years, when
he resigned, aud during the REMAINDER OF MS
life devoted his energies exclusively To his profession
slunnn. all connection with politics His piact'e was
in great measure in criminal cases and he Is well KNOWN
rs the defender of OF the most noted criminals VINO
have appeared In NrwYOk courts for the past 10 years
His efforts In behalf Of Purcell and Real and more re-
GENTLY in defense of Foster remarkable Tor their
per,istcnce and sincerity. or great legal research ana
unusually forcible pleader, he had IL"
canals In his branch OF the protessloh' his
Latest appearance in Court was on luesuay ia'''
beore Judge BARNARD ask for Wilt OF aDeas corpus
He has been afflicted for year past with fcVcr anu ague'
which eliminated in typhoid fever and caused ms aeatn
Judve stuart was An old line wing anu ",houkm .lo
never took IN active part in pOitltii hnS, n.s :! po
hes were with Republican party curing W. a,tcr
years OF his life His funeral Will take phice oh AuceuhJ
from his late residence.