Henry du Pont (1812-1889) was an American military officer and son of Eleuthère Irénée du Pont (1771-1834), founder of E.I. du Pont de Nemours & Co., and Sophie Madeleine Dalmas du Pont (1775-1828). The papers relating to du Pont's enrollment and time at the U.S. Military Academy at West Point, including letters from Callender Irvine (1775-1841), Peter B. Porter (1773-1844), E.I. du Pont (1881-1834); du Pont's obituary as published in the 1890 annual reunion of the Association of Graduates Office at the Academy; and a roster of the West Point class of 1833.

Henry Miller (1845-1926) was first employed at the Brandywine Works of E.I. du Pont de Nemours & Company. In 1922, he was one of the oldest surviving employees when he was interviewed by Alfred I. du Pont (1864-1935). In the interview, Miller describes the layout of the Brandywine Works as it changed over time, as well as the various apparatus and processes used in the manufacture of gunpowder and its constituent ingredients.

The Hiebler family papers include documents pertaining to four generations. The bulk of the collection consists of letters written by Alfred I. du Pont to his grandsons Bayard Hiebler and Benno Hiebler, dated 1927 to 1935.

E.I. du Pont de Nemours & Company is a chemical company more commonly referred to as the DuPont Company. The DuPont Building occupied an entire block bound by 10th, 11th, Orange and Market Streets and was one of the first high-rises in Wilmington, Delaware. Until early 2015 the building housed DuPont's headquarters. This small collection of files on DuPont Company history and biographies were removed from the company's downtown headquarters building prior to its move to the suburbs.

Francis Gurney du Pont (1850-1904) was the youngest son of Alexis I. du Pont (1816-1857) and Joanna Smith du Pont (1815-1876), and grandson of Éleuthère Irénée "E.I." du Pont (1771-1834), founder of E.I. du Pont de Nemours & Company, a chemical company more commonly referred to as the DuPont Company. The collection contains a carbon typescript of "History of Explosions at Brandywine Mills" compiled from records by du Pont and also reported from his own experiences.

Pierre Samuel "P.S." du Pont (1870-1954) was the great-grandson of Eleuthère Irénée du Pont (1771-1834), founder of E.I. du Pont de Nemours & Company, and that company played a major role in P.S. du Pont's life. He is most well-known for developing the preeminent botanical gardens, Longwood Gardens in Kennett Square, Pennsylvania. The P. S. du Pont estate papers document the distribution of physical items from his Longwood estate in Kennett Square, Pennsylvania, in the years following his death.

Irene (Renee) Carpenter (1911-1991) was a descendant of Pierre Samuel du Pont de Nemours (1739-1817) who founded the E.I. du Pont de Nemours & Company with his son Eleuthère Irénée du Pont (1771-1834) in 1802. She was the second child of R.R.M. Carpenter (1877-1949) and Margaretta Lammot du Pont (1884-1973) and a granddaughter of Lammot du Pont (1831-1884). The collection consists of photographs of Irene Carpenter Draper, as a child and as a young adult, and her extended family.

Irene Sophie du Pont (1877-1961) was a philanthropist who served as the chairperson of the Delaware Commission for the Blind for thirty years. She married her distant cousin, Irénée du Pont (1876-1963), on February 1, 1900. Their eldest daughter was Irene "Sophie" Sophie du Pont May (1900-2001). Sophie du Pont May was a churchwoman and a philanthropist. This small collection consists of two sets of papers, one belonging to Irene Sophie du Pont and the other to her daughter, Sophie du Pont May. The papers were removed from each of their respective lap writing desks for preservation purposes. Irene Sophie du Pont's papers consist primarily of letters written to her between 1887 and 1898, prior to her marriage in 1900. Sophie du Pont May's papers are entirely comprised of her school materials from the Friends School in Wilmington, Delaware, dating from 1910 to 1916.

Irénée du Pont (1876-1963) was an American businessman who used his background in chemical engineering to work at various United States companies in the twentieth century. He did work with Pusey & Jones, a company that provided shipbuilding services to help the World War II effort, and later transitioned into a paper-making facility. This collection includes eleven letters between Irenee du Pont, James Creese of the American-Scandinavian Foundation, J. Sigfrid Edstrom, and Neilson Abeel. The correspondence relates to du Pont’s business endeavors while working at Pusey & Jones.

Irénée du Pont (1876-1963) was a chemical engineer. He began work for E.I. du Pont de Nemours & Co. in 1903 in the Construction Division of the Black Powder Operating Department. After holding several positions within the company he went on to be the president of the DuPont Company. He served in this capacity from 1919 until 1926. The collection consists of photographs related to Irénée du Pont's family, personal interests, and involvement with organizations such as the Delaware Safety Council.

Isabella du Pont Sharp (1882-1946) was a descendent of the founders of E.I. du Pont de Nemours & Company. The collection contains typed transcripts of letters written by Sharp to her sister, Margaretta du Pont Carpenter (1884-1973) while the Sharp family, friends, and children's nurses traveled around the world. The letters are filled with details about traveling, sightseeing, hotels, shopping, meals, and clothing.

Jean Kane Foulke du Pont (1891-1985) was a suffragette, prison reform activist, philanthropist, and wife of E. Paul du Pont (1887-1950). The collection contains three photocopied volumes of her ancestry of many of the earliest families of New Netherland and colonial Pennsylvania. The volumes include an introduction, genealogy tables, reproductions of paintings and photographs, and family lore collected by the author over the preceding sixty-eight years. There is an index at the end of volume three.

Jean Kane Foulke du Pont (1891-1985) was a suffragette, prison reform activist, philanthropist, and wife of E. Paul du Pont (1887-1950). The collection contains invitations, mostly to weddings, but also to cocktail parties and debutante balls.

Jean Xavier Bureaux de Pusy (1750-1806) was a military engineer and politician, including serving in the Estates General of 1789. This collection consists of six letters from Bureaux de Pusy to Marie Charles Cesar Fay, Comte de Latour-Maubourg (1756-1831), who had been interned with La Fayette (1757-1834). The letters contain references to La Fayette and his wife, Napoleon Bonaparte, and Pierre Samuel du Pont de Nemours (1739-1817).

Josephine Anderson du Pont (1853-1943) was a suffragist and the wife of Victor du Pont Jr. (1852-1911), vice president and general manager of E.I. du Pont de Nemours & Co. The memoirs, written between 1928 and 1932, contain a record of her life in mid-19th century Philadelphia, including details of the Civil War years.

Karen du Pont Farquhar (1947-) is the great-granddaughter of T. Coleman du Pont (1863-1930), president of E.I. du Pont de Nemours & Company in the early 20th century. This collection of photographs is part of a larger group of du Pont family papers, which are housed in the Manuscripts and Archives Department. The photograph collection includes many photographs of the du Pont family from 1882 to 1960.

Lammot du Pont Copeland (1905-1983) was an American businessman, great-great-grandson of E.I. du Pont (1771-1834), and chief executive officer of E.I. du Pont de Nemours & Company. This collection primarily consists of portrait photographs of members of the du Pont, Belin, Copeland, Gratiot, La Motte, and related families. There are also two small booklets containing prints of various du Pont and Cunningham homes.

Lammot du Pont (1831-1884) was an accomplished chemist who managed gunpowder manufacturing at the E.I. du Pont de Nemours & Co. (commonly called the DuPont Company). He later organized the Repauno Chemical Company to manufacture dynamite. The papers describe his innovative work in the explosives industry, outside investments in coal mines and railroads, and correspondence with family members. There is also a small subset of materials compiled by his son, also named Lammot du Pont (1880-1952), on various du Pont family and company historical topics.

Lavinia Dimmick (1874-1946) was a descendant of the founders of E.I. du Pont de Nemours & Company, a chemical research and manufacturing company. She was the daughter of Irene du Pont (1845-1877) and Edward Dimmick (1843-1895). Alfred Rée (1864-1933) was a chemist in England. This collection primarily consists of letters that passed between Alfred and Lavinia Rée during their courtship, ending with notes on their wedding reception, honeymoon travel and return to England.

Lavinia Dimmick Rée (1874-1946) was a descendant of the founders of E.I. du Pont de Nemours & Company, a chemical research and manufacturing company. She was the daughter of Irene du Pont (1845-1877) and Edward Dimmick (1843-1895), and a great-niece of Sophie M. du Pont (1810-1888). The records consist of two copies of a typewritten transcription of "Memories of Aunt Sophie" written by Rée about du Pont's home, Lower Louviers, during the late 1870s and 1880s.

Louise du Pont Crowninshield (1877-1958) was an early leader in the field of historic preservation and a collector of antiques and hooked rugs. The collection includes her papers as well as those of her husband Francis Boardman Crowninshield, her mother, and other family members.

Louise Evelina du Pont (1877-1958) was an heiress and preservationist, who was the great granddaughter of Eleuthère Irénée du Pont (1771–1834), the founder of E. I. du Pont de Nemours and Company. She was the last du Pont to live on the Eleutherian Mills estate. This collection consists of photographic and graphic materials primarily of Crowninshield's extended du Pont family and friends. The collection has been organized into four series: Family portraits, Travel photographs, Residences, and Mary Pauline Foster du Pont sketches and collection of travel souveniers.

Gertrude Ruhnka (1891-1981) was a research librarian at the Huntington Library in California. The collection contains her unpublished manuscript, "Love for life: a self-portrait of the first three generations of du Ponts in America, 1791-1834," and two letters from Ruhnka to J.B. Lippincott Company and Dr. Walter J. Heacock of the Eleutherian Mills-Hagley Foundation.

Anne Louise Germaine de Staël-Holstein (1766-1817), known as Madame de Staël, was a writer, philosopher, and politically engaged woman who survived the French Revolution and was exiled multiple times by Napoleon Bonaparte (1769-1821). Negative photostat of letter from Madame de Staël to Pierre Samuel du Pont de Nemours (1739-1817).

Margaretta “Meta” du Pont Coleman (1862-1938) was a descendant of Pierre Samuel du Pont de Nemours (1739-1817) who founded the E.I. du Pont de Nemours & Company with his son Eleuthère Irénée du Pont (1771-1834) in 1802. The E.I. du Pont de Nemours & Company is a chemical company more commonly referred to as the DuPont company. The Margaretta E. "Meta" du Pont Coleman Papers primarily consist of family correspondence collected by Meta Coleman.

Margaretta Lammot du Pont (1807-1898) was the wife of Alfred Victor du Pont (1798-1856), who worked for E.I. du Pont de Nemours & Co. In 1885, she sent a letter to Meta Kemble de Forest (1852-1933) which indicates she is sending book from "Aunt Sophie" [Sophie Madeleine du Pont (1810-1888)].

Marguerite du Pont Lee (1862-1936) was a descendant of Pierre Samuel du Pont de Nemours (1739-1817) who founded the E.I. du Pont de Nemours & Company with his son Eleuthere Irenee du Pont (1771-1834) in 1802. The E.I. du Pont de Nemours & Company is a chemical company more commonly referred to as the DuPont Company. This small collection consists of four items belonging to Marguerite du Pont Lee. Two individual portraits, a photograph of a gate, and a decorative leaf.

Marguerite Lammot du Pont Lee (1862-1936) was activist for women's suffrage, child labor, and other social issues. The scrapbook contains religious poems, newspaper clippings, editorial comments, gunpowder labels, as well as a few photographs of the area near the DuPont Powder Yards.

Marie Delphine du Pont (1916-2009) was the great-great-grandaughter of E.I. du Pont (1771-1834), the founder of the DuPont Company. Her papers consist of letters and postcards between du Pont and her cousin, Irene Sophie du Pont May (1900-2001).

Mary Augusta Lammot (1811-1905) was a daughter of Daniel Lammot (1782-1877) and Susan Parham Beck Lammot (1786-1817). The letter is from Mary Augusta Lammot to her sister, Margaretta Lammot du Pont (1807-1898), describing her visit to Philadelphia, the things she saw there, and the people she met.

Mary Belin (1839-1913) married Lammot du Pont (1831-1884) and had eleven children, many who were prominent in the building up of the E.I. du Pont de Nemours & Company. The volume consists of a typed transcript of letters originally sent to Mary Belin du Pont (1839-1913) by her daughters Louisa ("La") (1868-1926), Sophie M. ("Tabby") (1871-1894), Isabella ("Bella") (1882-1946), and Margaretta ("Peg") (1884-1973) in 1894. The letters center around a single incident wherein Sophie, who was suffering from tuberculosis, was sent to Colorado Springs for a cure.

Mary Belin (1839-1913) married Lammot du Pont (1831-1884) and had eleven children, many who were prominent in the building up of the E.I. du Pont de Nemours & Company. The collection includes a carbon copy of a typed transcript from Belin's recipe book. The recipe book included dishes typical of middle class Americans in the Northeast in the early and mid-nineteenth century, as well as home remedies, household hints, and how to prepare paints and dyes.

Mary Hemphill Bush Rieffel (1908-1991) was a nurse, philanthropist, and descendant of the du Pont family, who founded E.I. du Pont de Nemours & Company in 1802, a chemical company more commonly referred to as the DuPont Company. Mary Hemphill Bush Rieffel's collection documents her academic progress, travels, and family life growing up, as well as her own family as an adult. The collection is organized into two series: Family papers and Family photographs. The material dates from 1845 to 1995.

Maurice du Pont Lee (1885-1974) was the General Advisor to the Chief Engineer of E.I. du Pont de Nemours & Company. The collection includes photographs of Maurice du Pont Lee's family members. The collection also includes a group of public relations photographs of Maurice du Pont Lee, dating from 1950 to 1969.

Margaretta “Meta” du Pont Coleman (1862-1938) was a descendant of Pierre Samuel du Pont de Nemours (1739-1817) who founded the E.I. du Pont de Nemours & Company with his son Eleuthère Irénée du Pont (1771-1834) in 1802. The E.I. du Pont de Nemours & Company is a chemical company more commonly referred to as the DuPont company. She collected family portraits while compiling a family genealogy. This collection includes daguerrotypes, tintypes, ambrotypes and other early portrait photographs of various family members.

Alfred Irénée du Pont (1864-1935) was the eldest son of E. I. du Pont (1829-1877). He joined the family gunpowder firm in 1884, eventually becoming co-owner. He was an accomplished musician who composed many scores, however, he destroyed most as he became deaf. Only six survive. This compact disc contains six sound recordings of scores composed by Alfred I. du Pont. Performed by the New Tankopanicum Orchestra, conducted by Brian Cox, Published in Greenville, DE : Tank CD p1993. Includes program notes (1 folded sheet [6] p. : ill.) inserted in container.

The Wilson and du Pont families were prominent families in the Wilmington, Delaware area. The papers document the daily activities of three generations of Natalies: Natalie Green Driver (Wilson)(1846-1912), Natalie Driver Wilson (du Pont)(1877-1918), and Natalie Wilson du Pont (Edmonds)(1904-1975).

In the spring of 1934 the Senate's Special Committee Investigating the Munitions Industry chaired by Senator Gerald P. Nye (1892-1971) began to examine the role that the munitions manufacturers had played during the First World War. This collection consists of photographs of P. S. du Pont, Irénée du Pont, Lammot du Pont, and A. Felix du Pont testifying before the Nye Committee in September of 1934.

Pamela Cunningham Copeland (1906-2001) and Lammot du Pont Copeland (1905-1983) were active in the land conservation movement, cultural institutions (including both the Hagley and Winterthur Museums), and local civic and philanthropic work. The collection contains photographs of Pamela and Lammot du Pont Copeland and family members. Many of the pictures document the couple's various activities and philanthropic endeavors.

Paulina du Pont (1827-1914) was a descendant of Pierre Samuel du Pont de Nemours (1739-1817) who founded the E.I. du Pont de Nemours & Company with his son Eleuthère Irénée du Pont (1771-1834) in 1802. The E.I. du Pont de Nemours & Company is a chemical company more commonly referred to as the DuPont company. Paulina du Pont was the daughter of Alfred Victor du Pont (1798-1856) and Margaretta Lammot du Pont (1807-1898). Her six-page sketchbook contains pencil sketches, probably produced in drawing class, depicts European rural scenes of cottages and country churches.

Peter Bauduy (1769?-1833), a French refugee from Santo Domingo, was a partner of E.I. du Pont in several business ventures. Bauduy had resigned from E.I. du Pont de Nemours & Company and brought suit in 1816 to dissolve the firm and distribute its assets. The collection includes microfilm copies of the Delaware Court of Chancery's "general reference files" regarding the case, as well as files for Victor du Pont vs. Merritt H. Paxson.

Pierre Samuel "P.S." du Pont (1870-1954) was an industrialist, entrepreneur, and philanthropist. He was president of E.I. du Pont de Nemours & Company from 1915 to 1919 and chairman of the board of directors from 1919 to 1940. P.S. du Pont was the great-grandson of Eleuthère Irénée du Pont (1771-1834), founder of E.I. du Pont de Nemours & Company, and the great-great-grandson and namesake of the French economist Pierre Samuel du Pont de Nemours (1739-1817). This small collection includes a single letter from P.S. du Pont to J.P. Morgan & Company dated November 15, 1945. In the letter, du Pont discusses the purchase of ninety letters written by du Pont's ancestor and namesake, Pierre Samuel du Pont de Nemours, between 1815 and 1817, to be acquired per agent Pierre Le Sage. This letter and its carbon copy were never sent.

Pierre Samuel "P.S." du Pont (1870-1954) was the great grandson of Eleuthère Irénée du Pont (1771-1834), founder of E.I. du Pont de Nemours & Company, and that company played a major role in P.S. du Pont's life. He is most well-known for developing the preeminent botanical gardens, Longwood Gardens in Kennett Square, Pennsylvania. This item is a matted portrait of P.S. du Pont, autographed on front beneath image area.

Pierre Samuel du Pont de Nemours (1739-1817) was a French political economist, writer, publisher, and public administrator. His son, Eleuthère Irénée du Pont (1771-1834), established E.I. du Pont de Nemours & Co., a black powder manufacturer, on the Brandywine River in Delaware. The collection contains photocopies of three letters of du Pont de Nemours du Pont to Etienne Alexandre Jacques Anisson du Perron (1749-1794) and Alexandre Brongniart (1770-1847). The letters concern printing, natural sciences, and requesting scientific journals and bulletins.

Pierre Samuel du Pont de Nemours (1739-1817) was a French political economist, writer, publisher, and public administrator. In 1800, accompanied by his sons, Victor Marie du Pont (1767-1827) and Eleuthère Irénée du Pont (1771-1834), he arrived in America. The collection contains photocopies and microfilm of selected documents concerning du Pont de Nemours and members of his family from Mairie de Montargis and Mairie de Chevannes.

Pierre Samuel du Pont de Nemours (1739-1817) was a French political economist, writer, publisher, and public administrator. Françoise Robin du Pont (1748-1841) was the second wife of du Pont de Nemours. The collection contains photocopies of letters of both du Pont de Nemours. His letter regards obtaining a "safe conduct" passport while heading a scientific expedition being sent to North America by the Institute National. Her letters are with a Bergen Point, New Jersey former neighbor, C. Preudhomme, and his son.

Pierre Samuel du Pont de Nemours (1739-1817) was a French political economist, writer, publisher, and public administrator. Anne Louise Germaine de Staël-Holstein (1766-1817), known as Madame de Staël, was a writer, philosopher, and politically engaged woman who survived the French Revolution and was exiled multiple times by Napoleon Bonaparte (1769-1821). This collection contains two letters, one by du Pont de Nemours and one by de Staël. His letter was written the night the Bastille was stormed. Her undated letter concerns French relations with Sweden.

Pierre Samuel du Pont de Nemours (1739-1817) was a French political economist, writer, publisher, and public administrator. Anne Louise Germaine de Staël-Holstein (1766-1817), known as Madame de Staël, was a writer, philosopher, and politically engaged woman who survived the French Revolution and was exiled multiple times by Napoleon Bonaparte (1769-1821). This collection contains six photocopied letters of du Pont de Nemours to Thomas Jefferson (1743-1826), and de Staël letters to unknown correspondents. The letters include references to the political situation in France, services of du Pont de Nemours printing establishment, and national affairs.

Pierre Samuel du Pont de Nemours (1739-1817) was a French political economist, writer, publisher, and public administrator. The collection contains letters written to and from du Pont regarding business ventures, sale of books, dealing with creditors, and the fame he had brought to the town of Nemours.

Pierre Samuel du Pont de Nemours (1739-1817) was a French political economist, writer, publisher, and public administrator. The collection contains a letter he wrote to a colleague concerning his proposed voyage to America.