JACOBS
JACOBUS
German society, 1896. He was married, July 3,
1873, to Laura Hewes, daughter of George Fisher
Downing, of Baltimore, Md., a native of Down-
ingtowii, Pa. Thiel college conferred on him
the honorary degree of D.D. in 1877, and that of
LL.D. in 1891. Retranslated : Hutter's Comjjend
of Lutheran Theology (1867) ; Schmid's Doctrinal
Tlieology of the Lutheran Church (1875-89), and
Meyer on Revelation (1887) ; edited Meyer on
Ephesians (1885) ; Tavener's Augsburg Confession
(1888), the Lutheran Commentary (13 vols.), of
which he is the author of Vol. VI. Romans
(1896), and part of Vol. VIT. First Corinthians
(1897), and The Lutheran CyclopcediaCiSdQ). He is
the author of : Book of Concord {1882-8S) •,The Lu-
theran Movement in England (1891) ; History of the
Lutheran Church in the United States (1893) ;
Elements of Religion (1894); The Life of Martin
Luther (1898), and contributions to periodicals.
JACOBS, John Adamson, educator, was born in Leesburg, Va., Aug. 19, 1806. He removed with his parents to Kentucky and attended Cen- tre college. He spent eighteen months in the American School for Deaf Mutes at Hartford, Conn., preparing himself for the position of super- intendent and teacher in the Kentucky Institu- tion for the Education of Deaf Mutes at Danville, which charge he entered upon in 1824. Instead of a regular salary, he received whatever profits might accrue on the boarding department pro- ceeds, and from 1854 to 1869 he worked without any compensation. Centre college conferred on him the degree of A.M. in 1843. He published a manual of lessons for his pupils (1834), and Primary Lessons for Deaf Mutes (2 vols., 1859). He died in Danville, Ky., Nov. 27, 1869.
JACOBS, John Adamson, educator, was born in Cass county, Mich., Nov. 6, 1839; nephew of John Adamson Jacobs, superintendent of the Deaf Mute institution at Danville, Ky. His early education was acquired in Missouri, and subse- quently he removed to Danville, Ky., where he attended Centre college. He was appointed as- sistant teacher in the Deaf and Dumb asylum at Danville in 1859, and at the outbreak of the civil war lie entered the Federal army and served until its close, when he resumed his position as teacher in the asylum. He svicceeded his uncle in 1869 as superintendent of that institution. Centre college conferred on him the degi'ee of A. M. in 1877. He died at Danville, Ky., in 1878.
JACOBS, Michael, educator, was born near "Waynesboro, Pa., Jan. 18, 1808; son of Henry and Anna Maria (IMiller) Jacobs, and grandson of John Martin Jacob, who was born in Preuss- dorf in Alsace, and arrived in Pliiladelphia, Sept. 17, 1753. He was graduated at Jefferson college, Pa., in 1828, and was licensed to preacli in 1832. He was one of the founders of Pennsylvania col-
lege, at Gettysburg, Pa., in 1832 ; was professor
of mathematics there, 1829-66 ; of mathematics
and natural science, 1832-65, and of mathematics,
1865-66 ; and professor emeritus, 1866-71, He
was elected a member of the American Associa-
tion for the Advancement of Science. He was
married to Juliana, daughter of Gen. Jacob and
Mary Middlekauff Eyster. He received the de-
gree of D.D. from Jefferson college. Pa., and from
Wittenberg college, Springfield, Ohio, in 1858.
He published : Notes on the Rebel Lnvasion of
Maryland and Pennsylvania and the Battle of
Gettysburg (1863). He died at Gettysburg, Pa.,
July 22, 1871.
JACOBSON, John Christian, bishop, was born in Burkall, Denmark, April 8, 1795. He was ed- ucated as a Moravian clergyman and immigrated to America in 1816, where he preached in various Moravian churches. He was elected principal of the female academy at Salem, N.C., 1834, and was afterward principal of a boys' boarding-school at Nazareth, Pa. He was consecrated bishop in the Moravian church, Sept. 20, 1854, and retired in 1867. He died at Betlilehem, Pa., Nov. 24, 1870.
JACOBUS, David Schenck, educator, was born in Ridgefield, N.J., Jan. 20, 1862; son of Nicholas and Sarah Catharine (Carpenter) Jac- obus, and grandson of David and Elizabeth (Ryerson) Jacobus, and of John Schenck and Agnes Cunningham (Fulton) Carpenter. His ancestor, Roelff Jacobus, emigrated from Hol- land, and settled in Essex county, N.J. David attended private schools at Ridgefield and the Stevens high school at Hoboken, N.J., where he won in a competitive examination a free scholar- ship for the Stevens Institute of Technology, where he was graduated, M.E., 1884. After act- ing as an instructor for ten years, he was elected pi'ofessor of experimental mechanics and engi- neering physics at the Stevens Institute of Tech- nology in 1897. In addition to his duties as an educator he undertook a large amount of practi- cal engineering work, serving as an expert in investigating the feasibility and performance of new machines and processes. He was married, April 5, 1899, to Laura Dinkel, of Jersey City, N.J. He is the author of numerous scientific papers based on the results of his experimental investi- gations. He was elected a member of the Amer- ican Society of Mechanical Engineers, tlie Society of Naval Ai'chitects and Marine Engineers, the American Institute of Mining Engineers, the Amei'ican Mathematical society, the Society for the Promotion of Engineering Education, the American Association for the Advancement of Sci- ence, and the Franklin Institute of Philadelphia.
JACOBUS, Melancthon Williams, theologian, was born at Newark, N.J., Sept. 19, 1816 ; son of Peter and Phebe (Williams) Jacobus ; grandson
