Hans-Joachim Niemann

Hans-Joachim Niemann is a German philosopher and PhD chemist, who has become known especially as a translator and editor of works by Karl Popper, including first editions and first translations. As a scholarly writer, he first published scientific papers, then many essays and several books on Karl Popper's philosophy and Critical Rationalism, including a 400-page Lexicon of Critical Rationalism. His Popper studies helped to establish Karl Popper as a major ethicist and as an important biophilosopher.