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+---
+title: Stefan Wehr
+episode: 71
+buzzsproutId: 1817535
+recorded: 2025-07-16
+published: 2025-10-16
+---
+
+Stefan Wehr is a professor at the Offenburg University of Applied
+Sciences. Before becoming a professor, Stefan worked in industry on a
+large Haskell codebase - specifically one that's not a compiler and
+not a blockchain. So of course we talked about using Haskell in large
+projects, software architecture, modularity, type classes and data
+modeling and the suppression of sums outside of functional
+programming, and also about teaching Haskell at his current job.
diff --git a/podcast/71/links.markdown b/podcast/71/links.markdown
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+- [Stefan Wehr's personal homepage](https://www.stefanwehr.de/)
+- [University of Applied Sciences Offenburg](https://emi.hs-offenburg.de/fakultaet-elektrotechnik-medizintechnik-und-informatik/ansprechpartnerinnen/personen-details-lsf-cache/lsf/detail/51182)
+- [Stefan's Diploma thesis](https://www.stefanwehr.de/publications/Wehr2005.html)
+- [Stefan's PhD thesis](https://www.stefanwehr.de/publications/Wehr2010.html)
+- [FUNARCH paper: A Software Architecture Based on Coarse-Grained Self-Adjusting Computations](https://www.stefanwehr.de/publications/Wehr2023.html)
+- [Shake](https://shakebuild.com/)
+- [Blog post by Stefan on Shake](https://funktionale-programmierung.de/en/2014/01/16/build-system-haskell.html)
+- [Gradle](https://gradle.org/)
+- [Typescript](https://www.typescriptlang.org/)
+- [iSAQB, organization on software architecture](https://www.isaqb.org/)
+- [Blog post on sums and products](https://funktionale-programmierung.de/en/2024/11/25/sums-products.html)
+- [MEQO](https://www.meqo.de/)
+- [Peter Thiemann](http://www2.informatik.uni-freiburg.de/~thiemann/)
+- [Huffman coding](https://en.wikipedia.org/wiki/Huffman_coding)