This explains the connection between (Mrs.) Olin Derr and the Du Pont Company of Wilmington, Delaware:
Quote:
Olin Derr, youngest child of Henry Haupt
and Mary Delilah (Fell) Derr, was born in
Wilkes-Barre, May 4, 1880. Here he attended
the public schools, and prepared for more
advanced and professional training in Harry
Hillman Academy and Phillips Academy, at
Andover, Massachusetts. He matriculated in
Cornell University, Ithaca, New York, in
1900, at the age of twenty years, graduat-
ing with the degree of Mechanical Engineer
in 1904. Mr. Derr after having completed his
schooling entered the employ of several ship-
building concerns of New York, and later, in
partnership with his brother Ralph, engaged
in marine construction, with dry docks on
Staten Island. They sold out after four years,
and Olin Derr, together with brothers Ralph
and Henry, went to Georgia, there to engage
in the manufacture of lumber. Next he be-
came associated with the Lehigh Valley Coal
Company, as assistant chief coal inspector,
and in 1910 became special agent for Thomp-
son Derr and Brother in Western Pennsyl-
vania. In 1912 he took a position as special
agent for the Hanover Fire Insurance Com-
pany of New York. When in 1915 he returned
to Wilkes-Barre Mr. Derr took charge of the
compensation department of Thompson Derr
& Brother. In 1917 he went with E. I. du
Pont de Nemours & Company, Wilmington,
Delaware, to work in powder, which the Du
Pont organization was then supplying in
large shipments to the United States and
allies in the World War. He remained with
the Du Pont interests until 1921, when he
assumed charge of the local Philadelphia
office of the Pennsylvania Indemnity com-
pany Exchange, of Philadelphia. Then, in
1923, Mr. Derr returned to Wilkes-Barre, and
has during the years succeeding lived in
retirement. Politically he was affiliated with
the Republican party. He was a life member
of the Wyoming Valley Historical and Geo-
logical Society, and a communicant of the
First Presbyterian Church. Wilkes-Barre.
Toward charity he was ever generous.
On July 16, 1912, Mr. Derr was united in
marriage with Emily Hand, of Wilkes-Barre
daughter of Isaac P. and Mary (Richardson)
Hand: and they are the parents of three
children: John Fine, 2d, Barbara Mary, and
Chester Berger, 2d. The family residence was
at No 76 West Union Street, Wilkes-Barre.
until the fall of 1929 when they moved to
Daytona Beach, Florida, where they purchased
a home. Their summers were spent on the
shores of Lake Champlain, N. T.