Thirty domestic and foreign patents were granted to Hans-Joachim Niemann for his technical work on uranium laser isotope separation during his time at Siemens. This early career in natural science provided the foundation for his shift into philosophy during the mid-1980s, where he established himself as a prominent researcher of Critical Rationalism and the works of Karl Popper.
Transition from Chemistry to Philosophy
Born in 1941 in Kiel, Niemann initially pursued scientific training. After studying physics and philosophy at the universities of Kiel, Munich, and Marburg, he moved to the University of Tübingen, earning a doctorate in chemistry in 1972. Between 1973 and 1984, he worked for Siemens, leading a unit focused on uranium enrichment. Following this period, he returned to academic study, concentrating on analytic philosophy and Critical Rationalism at the University of Erlangen.
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Niemann served as an assistant lecturer at the University of Bamberg from 1993 to 1999, teaching topics ranging from the Vienna Circle to the ethics of Bertrand Russell and Hans Jonas. He also held a guest lectureship at the University of Passau in 1994. Much of his output has been dedicated to the philosophy of Karl Popper. He corresponded with Popper between 1991 and 1994 and met him in Kenley, UK, in 1994. Popper commended his manuscript, 'Reason as the Will to Solve Problems', for its original and direct approach.
Advocating Ethical and Biological Perspectives
Beyond his editorial work, Niemann has argued for Popper’s status as a major ethicist and biophilosopher. He identified three ethical pillars in Popper's work: negative utilitarianism, epistemological ethics, and problem-oriented ethics. Between 2012 and 2022, he focused on Popper’s biological writings, most notably securing the release of the 1986 Medawar Lecture, 'A New Interpretation of Darwinism'. By publishing this previously restricted text, Niemann helped clarify Popper's critique of the Modern Synthesis, suggesting that living organisms function as agents in their own evolution.
Fast facts
- Born: 1941, Kiel, Germany
- Education: University of Tübingen (Dr. rer. nat.)
- Industry Career: Siemens (1973–1984)
- Academic Posts: University of Bamberg, University of Passau
- Patents: Approximately 30 domestic and foreign patents
- Key Publications: Lexicon of Critical Rationalism, Karl Popper and the Two New Secrets of Life
- Residence: Poxdorf, Germany
Questions readers ask
What is the focus of Niemann's work on Karl Popper?
Niemann acts as a translator and editor of Popper’s work, specifically focusing on positioning him as a major ethical theorist and biophilosopher.
What was Niemann's professional background before becoming a philosopher?
He was a PhD chemist who spent over a decade at Siemens working on uranium laser isotope separation.
Achievements
- Held posts at University of Bamberg, University of Passau and Siemens
