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Historical · U.S. House · Pennsylvania · District 1

Adam Seybert

Former U.S. Representative · Pennsylvania District 1 · 1809–1819 · Republican

Adam Seybert represented Pennsylvania's District 1 in the United States House of Representatives (1809–1819) for the Republican party. The page below collects sourced biographical facts, term history, committee roles, and provenance for Seybert.

Bioguide ID: S000264

Key facts

Full name
Adam Seybert
State
Pennsylvania
District
District 1
Party
Republican
House service
1809–1819
First House term
1809
Status
Left office
Current term ends
Born
1773
Bioguide ID
S000264
Committee assignments
Dataset version
1.20260606

Biographical narrative

916 words · sourced from the Wikipedia REST extract

Adam Seybert was an American politician and mineralogist who served as a U.S. Representative for Pennsylvania's 1st congressional district. A member of the Democratic-Republican Party, Seybert's congressional career spanned from 1809 to 1815 and again from 1817 to 1819. In addition to his political endeavors, he was a noted mineralogist who established the first mineralogy collection in the United States. Seybert was also a faculty member at the University of Pennsylvania and contributed to the scientific community through his research and publications.

Early life and career

Adam Seybert was born on May 16, 1773, in Philadelphia, Pennsylvania. He pursued higher education at the University of Pennsylvania, where he graduated in 1793 with a degree in medicine. Following his graduation, Seybert expanded his education in Europe, attending institutions in Edinburgh, Göttingen, and Paris. His studies included mineralogy at the École des Mines, where he became the first American to study this field in Germany. Upon returning to Philadelphia, he brought back a significant collection of minerals and initially worked as a physician. However, he soon transitioned into the role of a druggist, chemist, and apothecary.

Seybert's contributions to academia were notable; he became a faculty member at the University of Pennsylvania, where he shared his knowledge and expertise. His work in mineralogy was particularly distinguished, as he established the first mineralogy collection in the United States during the 1790s. This collection contained over 1,725 specimens of crystals and rocks, attracting the attention of prominent figures in the field, including the mineralogist Benjamin Silliman, who sought Seybert's expertise in analyzing minerals.

In recognition of his contributions to science, Seybert was elected as a member of the American Philosophical Society in 1797. His commitment to the field of mineralogy and his academic pursuits laid the foundation for his later political career.

House tenure

Seybert's political career began in earnest when he was elected to the 11th United States Congress in 1809, filling a vacancy created by the resignation of Benjamin Say. Representing Pennsylvania's 1st congressional district as a Democratic-Republican, Seybert quickly became involved in legislative matters. His tenure in Congress was marked by his re-election to the Twelfth and Thirteenth Congresses, where he continued to serve the interests of his constituents.

During his time in the Twelfth Congress, Seybert held the position of chairman of the United States House Committee on Revisal and Unfinished Business. This role allowed him to influence the legislative process and address pending matters within the House. Seybert's commitment to his state was evident when, in the fall of 1811, he communicated with President James Madison, assuring him that Pennsylvania had the necessary military resources to meet the demands of the War of 1812.

After a brief hiatus from Congress, Seybert returned to serve in the Fifteenth Congress from 1817 to 1819. His political career came to an end when his last term concluded on March 3, 1819. Following his departure from Congress, Seybert traveled to Europe, where he remained until 1821, returning again in 1824. He ultimately settled in Paris, France, where he passed away on May 2, 1825. Initially interred at Père Lachaise Cemetery in Paris, his remains were later moved to Laurel Hill Cemetery in Philadelphia.

Legislative focus and committees

Throughout his congressional career, Adam Seybert was involved in various legislative matters that reflected the interests and needs of his constituents in Pennsylvania. His role as chairman of the House Committee on Revisal and Unfinished Business during the Twelfth Congress indicated his engagement with the legislative process and his commitment to addressing unresolved issues within the House.

Seybert's political actions were influenced by the broader context of his time, particularly the challenges posed by the War of 1812. His reassurance to President Madison regarding Pennsylvania's military readiness underscored his awareness of the state's strategic importance and his desire to support national efforts during a time of conflict.

While Seybert's political career was significant, it is important to note that his interests extended beyond politics. His early work in mineralogy and his establishment of the first mineralogy collection in the United States demonstrated his commitment to scientific inquiry. However, as his political responsibilities grew, Seybert's focus on mineralogy diminished, leading him to prioritize his legislative duties over his scientific pursuits. This shift illustrates the complexities of balancing multiple interests in a public career.

In addition to his legislative work, Seybert contributed to the scientific community through his publications. His writings included topics related to air quality and statistical analyses of various aspects of American society, including population, commerce, and military expenditures. These publications reflect his diverse interests and his engagement with both scientific and political discourse.

Seybert's legacy continued after his death, particularly in the field of mineralogy. His collection, which was sold to the Academy of Natural Sciences in Philadelphia, became a valuable resource for future generations of scientists and mineralogists. Furthermore, the University of Pennsylvania honored his contributions by establishing a chair in moral and intellectual philosophy, funded by his son, Henry Seybert. This chair included responsibilities related to investigating philosophical questions, demonstrating the lasting impact of Seybert's intellectual contributions.

In summary, Adam Seybert was a multifaceted individual whose career encompassed significant contributions to both politics and science. His tenure as a U.S. Representative for Pennsylvania's 1st congressional district was marked by his involvement in legislative matters and his commitment to serving his constituents. At the same time, his early work in mineralogy and his academic pursuits reflected a dedication to scientific inquiry that would influence future generations.

Notable legislation

Sponsored and co-sponsored legislation for Adam Seybert is pending operator curation. The biographical narrative above carries the same provenance trail until per-bill rows are written.

Sources

  1. [1]https://en.wikipedia.org/wiki/Adam_SeybertWikipedia · retrieved 2026-06-06

Notable quotes

Sourced quotes for Adam Seybert are pending operator curation. Narrative-scope provenance remains attached below.

Sources

  1. [1]https://en.wikipedia.org/wiki/Adam_SeybertWikipedia · retrieved 2026-06-06

Key positions

Curated policy positions for Adam Seybert are pending operator review. The biographical narrative above carries the same provenance trail until per-topic positions are written.

Sources

  1. [1]https://en.wikipedia.org/wiki/Adam_SeybertWikipedia · retrieved 2026-06-06

Terms served

  1. 18091811U.S. House · Term 1 · Republican
  2. 18111813U.S. House · Term 2 · Republican
  3. 18131815U.S. House · Term 3 · Republican
  4. 18171819U.S. House · Term 4 · Republican

Sources & provenance

Every attributable claim above carries a per-section [N] marker that resolves to the corresponding URL below. Each entry records the upstream provider, the canonical URL, and the timestamp at which the source was retrieved by the ingest pipeline.

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