# Joachim Breitner > German researcher, computer scientist and Haskell programmer **Wikidata**: [Q58372347](https://www.wikidata.org/wiki/Q58372347) **Source**: https://4ort.xyz/entity/joachim-breitner ## Summary Joachim Breitner is a German researcher, computer scientist, and Haskell programmer. He is recognized for his academic work on the semantics of lazy functional programming languages and interactive theorem provers, having earned a Doctor of Natural Sciences from the Karlsruhe Institute of Technology. Breitner also makes significant contributions to the open-source community by maintaining Haskell packages for Debian and Ubuntu and contributing to GHC. ## Biography - Born: March 27, 1985, in Herrenberg, Germany - Nationality: Germany - Education: - Diploma in mathematics (2010) from Karlsruhe Institute of Technology - Dipl.-Inf. (2011) from Karlsruhe Institute of Technology - Doctor of Natural Sciences (2016) from Karlsruhe Institute of Technology - Schickhardt-Gymnasium Herrenberg - Known for: Research in computer science, Haskell programming, and open-source contributions. - Employer(s): Dfinity - Field(s): Researcher, computer scientist ## Contributions Joachim Breitner has made notable contributions in both academic research and open-source development. Academically, he earned a Doctor of Natural Sciences in 2016 from the Karlsruhe Institute of Technology, where his doctoral advisor was Gregor Snelting. His research focuses on the semantics of lazy functional programming languages and interactive theorem provers, advancing the theoretical understanding and practical application of these complex systems. In the realm of open-source, Breitner is a key contributor to the Haskell ecosystem. He is responsible for maintaining the Haskell packages for Debian and Ubuntu, ensuring that users of these popular Linux distributions have access to up-to-date and functional Haskell tools. Furthermore, he actively contributes to GHC (Glasgow Haskell Compiler), which is the leading compiler for the Haskell programming language. These contributions are vital for the development and stability of the Haskell community, impacting numerous developers and projects that rely on these tools. His work helps to propagate and improve functional programming technologies across a wide user base. ## FAQs ### Q: Who is Joachim Breitner? A: Joachim Breitner is a German researcher, computer scientist, and Haskell programmer. He is known for his academic work in functional programming language semantics and his significant contributions to the Haskell open-source community. ### Q: What is Joachim Breitner's educational background? A: Joachim Breitner earned a Diploma in mathematics (2010), a Dipl.-Inf. (2011), and a Doctor of Natural Sciences (2016) from the Karlsruhe Institute of Technology. He also attended Schickhardt-Gymnasium Herrenberg. ### Q: What are Joachim Breitner's key contributions to computer science? A: His key contributions include research on the semantics of lazy functional programming languages and interactive theorem provers. He also maintains Haskell packages for Debian and Ubuntu and contributes to the Glasgow Haskell Compiler (GHC). ### Q: Where has Joachim Breitner resided? A: Joachim Breitner has resided in Freiburg im Breisgau and Karlsruhe, Germany. ### Q: Who was Joachim Breitner's doctoral advisor? A: Joachim Breitner's doctoral advisor at the Karlsruhe Institute of Technology was Gregor Snelting. ## Why They Matter Joachim Breitner matters significantly to the fields of computer science and functional programming due to his dual impact in academic research and open-source development. His academic work on the semantics of lazy functional programming languages and interactive theorem provers contributes to the foundational understanding and theoretical advancements necessary for robust software development. This research helps to refine the principles behind how these complex systems operate, influencing future language design and verification tools. In the open-source community, his role in maintaining Haskell packages for Debian and Ubuntu is crucial. Without his efforts, a vast number of developers and users relying on these Linux distributions would face challenges in accessing and utilizing Haskell, potentially hindering innovation and adoption of the language. His contributions to GHC, the primary Haskell compiler, directly impact the performance, stability, and feature set available to all Haskell programmers. Breitner's work ensures the accessibility and continuous improvement of a powerful functional programming language, fostering its growth and influencing a generation of programmers and researchers in the functional paradigm. ## Notable For * Earning a Doctor of Natural Sciences from the Karlsruhe Institute of Technology in 2016. * Conducting research on the semantics of lazy functional programming languages and interactive theorem provers. * Maintaining the Haskell packages for Debian and Ubuntu, supporting a wide open-source user base. * Contributing to GHC (Glasgow Haskell Compiler), the leading compiler for the Haskell programming language. * Being a German computer scientist and Haskell programmer with a focus on academic and open-source contributions. ## Body ### Early Life and Education Joachim Breitner was born on March 27, 1985, in Herrenberg, Germany. He is a citizen of Germany. His early education included attending Schickhardt-Gymnasium Herrenberg. He pursued higher education at the Karlsruhe Institute of Technology, a technical university and research center in Karlsruhe, Germany. There, he earned a diploma in mathematics in 2010 and a Dipl.-Inf. in 2011. In 2016, he completed his Doctor of Natural Sciences degree from the Karlsruhe Institute of Technology, with Gregor Snelting serving as his doctoral advisor. ### Career and Research Breitner's occupation is primarily as a researcher and computer scientist. His academic work focuses on the semantics of lazy functional programming languages and interactive theorem provers. He has been affiliated with the Karlsruhe Institute of Technology during his studies. As of a reference from 2021, he was employed by Dfinity. He has resided in both Karlsruhe and Freiburg im Breisgau, Germany. ### Key Contributions Joachim Breitner is known for his work in several areas: * **Academic Research**: His doctoral research and ongoing work involve the semantics of lazy functional programming languages and interactive theorem provers. * **Open-Source Development**: He plays a vital role in the Haskell community by: * Maintaining the Haskell packages for Debian and Ubuntu. * Contributing to GHC (Glasgow Haskell Compiler). * **Haskell Programming**: He is recognized as a Haskell programmer. ### Online Presence and Identifiers Joachim Breitner maintains an active online presence and is identifiable through various platforms: * **Website**: https://www.joachim-breitner.de (available in English and German) * **Official Blog**: https://www.joachim-breitner.de/blog * **GitHub Username**: nomeata * **Twitter**: @nomeata (started June 27, 2009, with 1554 followers as of January 10, 2021) * **Mastodon**: nomeata@mastodon.online (started November 3, 2022, with 564 followers as of April 11, 2024) * **Identifiers**: * GND ID: 1099929628 * VIAF ID: 9146332962718732584 * DBLP Author ID: 80/9827 * MR Author ID: 1004427 * Scopus Author ID: 54782220600 * zbMATH Author ID: breitner.joachim * Open Library ID: OL9204408A * Dimensions Author ID: 013522665615.94 * Google Scholar Author ID: ARWhbzQAAAAJ * Google Knowledge Graph ID: /g/11f4jc6qjq * Semantic Scholar Author ID: 26918670 * ResearchGate Contributions ID: 2015417162 * Mathematics Genealogy Project ID: 202743 * WorldCat Entities ID: E39PCjBd87YQcpRmhBJhrgfBxC ### Personal Interests Beyond his professional work, Joachim Breitner enjoys board games, swing dancing, softball, and paragliding, as noted in a 2014 description. He speaks, writes, or signs German and English. ## References 1. [Something about me – Joachim Breitner's Homepage](https://www.joachim-breitner.de/about) 2. [Source](https://github.com/nomeata) 3. Mathematics Genealogy Project 4. Virtual International Authority File 5. [Joachim Breitner | Open Library](https://openlibrary.org/authors/OL9204408A/Joachim_Breitner) 6. [Source](https://twitter.com/nomeata) 7. [SciGraph](https://scigraph.springernature.com/person.013522665615.94)