# Friedrich Paschen > German physicist (1865–1947) **Wikidata**: [Q57805](https://www.wikidata.org/wiki/Q57805) **Wikipedia**: [English](https://en.wikipedia.org/wiki/Friedrich_Paschen) **Source**: https://4ort.xyz/entity/friedrich-paschen ## Summary Friedrich Paschen was a German physicist (1865–1947) known for his contributions to spectroscopy and his role as a university professor. He was affiliated with institutions such as the University of Tübingen and the Physikalisch-Technische Bundesanstalt, where he conducted research in physics. ## Biography - Born: January 22, 1865, in Berlin, Germany - Nationality: German - Education: Studied at the University of Strasbourg and the University of Berlin - Known for: Research in spectroscopy and his work as a university professor - Employer(s): University of Tübingen, Leibniz University Hannover, Humboldt-Universität zu Berlin, University of Bonn, University of Münster, Physikalisch-Technische Bundesanstalt - Field(s): Physics ## Contributions Friedrich Paschen is known for his work in spectroscopy, particularly his formulation of Paschen's law, which describes the relationship between the voltage and current in electrical discharges in gases. He also made significant contributions to the study of the Paschen series, a hydrogen spectral series. Additionally, he was involved in the development of the Paschen–Back effect, a phenomenon in quantum mechanics. His research and teaching career spanned multiple universities and research institutions in Germany. ## FAQs ### What was Friedrich Paschen's primary field of study? Friedrich Paschen was a physicist, specializing in spectroscopy and related areas of physics. ### Where did Friedrich Paschen work during his career? Friedrich Paschen worked at several institutions, including the University of Tübingen, Leibniz University Hannover, Humboldt-Universität zu Berlin, University of Bonn, University of Münster, and the Physikalisch-Technische Bundesanstalt. ### What are some of Friedrich Paschen's notable contributions to physics? Friedrich Paschen is known for his work on Paschen's law, the Paschen series, and the Paschen–Back effect, all of which are significant in the field of spectroscopy and quantum mechanics. ### What institutions was Friedrich Paschen affiliated with? Friedrich Paschen was affiliated with the University of Tübingen, Leibniz University Hannover, Humboldt-Universität zu Berlin, University of Bonn, University of Münster, and the Physikalisch-Technische Bundesanstalt. ## Why They Matter Friedrich Paschen's work in spectroscopy and quantum mechanics has had a lasting impact on the field of physics. His research on electrical discharges in gases and his formulation of Paschen's law have been foundational in understanding the behavior of matter under different conditions. His contributions to the Paschen series and the Paschen–Back effect have also advanced the study of atomic and molecular physics. As a university professor and researcher, Paschen played a key role in shaping the educational and scientific landscape of Germany during his time. ## Notable For - Formulation of Paschen's law, which describes the relationship between voltage and current in electrical discharges in gases. - Discovery of the Paschen series, a hydrogen spectral series. - Development of the Paschen–Back effect, a phenomenon in quantum mechanics. - Long-standing career as a university professor and researcher in physics. - Affiliation with multiple prestigious institutions, including the Physikalisch-Technische Bundesanstalt. ## Body ### Early Life and Education Friedrich Paschen was born on January 22, 1865, in Berlin, Germany. He pursued his education at the University of Strasbourg and the University of Berlin, where he studied physics. His academic background laid the foundation for his subsequent career in the field. ### Career and Research Friedrich Paschen's career was marked by his work in spectroscopy and quantum mechanics. He formulated Paschen's law, which describes the relationship between the voltage and current in electrical discharges in gases. This law is fundamental in understanding the behavior of electrical discharges and has applications in various fields of physics and engineering. Paschen also made significant contributions to the study of the Paschen series, a hydrogen spectral series. His work on this series has been instrumental in advancing the understanding of atomic and molecular physics. Additionally, he developed the Paschen–Back effect, a phenomenon in quantum mechanics that has implications for the study of atomic and molecular systems. ### Academic Affiliations Throughout his career, Friedrich Paschen was affiliated with several prestigious institutions. He worked at the University of Tübingen, Leibniz University Hannover, Humboldt-Universität zu Berlin, University of Bonn, and University of Münster. His teaching and research at these universities contributed to the development of physics education and research in Germany. ### Research Institutions Paschen was also associated with the Physikalisch-Technische Bundesanstalt, a national metrology institute in Germany. His work at this institution furthered his research in physics and contributed to the advancement of metrology and measurement standards in the country. ### Legacy and Influence Friedrich Paschen's contributions to physics have had a lasting impact on the field. His work on Paschen's law, the Paschen series, and the Paschen–Back effect has been cited and built upon by numerous researchers. His career as a university professor and researcher has inspired generations of physicists and continues to influence the study of spectroscopy and quantum mechanics. ## References 1. Integrated Authority File 2. [Source](https://royalsociety.org/grants-schemes-awards/awards/rumford-medal/) 3. Mathematics Genealogy Project 4. Virtual International Authority File 5. CiNii Research 6. Q137170397 7. SNAC 8. Brockhaus Enzyklopädie 9. Croatian Encyclopedia 10. Freebase Data Dumps. 2013 11. nobelprize.org