Cemal Yıldırım (1925–2009) was a Turkish

philosopher A philosopher is a person who practices or investigates philosophy. The term ''philosopher'' comes from the grc, φιλόσοφος, , translit=philosophos, meaning 'lover of wisdom'. The coining of the term has been attributed to the Greek th ...

, author, educator, and researcher. He wrote 15 books (4 in English and 11 in Turkish) and numerous academic papers. He wrote extensively on the

philosophy of science Philosophy of science is a branch of philosophy concerned with the foundations, methods, and implications of science. The central questions of this study concern what qualifies as science, the reliability of scientific theories, and the ultim ...

and the

history of science The history of science covers the development of science from ancient times to the present. It encompasses all three major branches of science: natural, social, and formal. Science's earliest roots can be traced to Ancient Egypt and Meso ...

. His popular books ''Bilimin Öncüleri'' ("Pioneers of Science") and ''Evrim Kuramı ve Bagnazlık'' ("

Theory of Evolution Evolution is change in the heritable characteristics of biological populations over successive generations. These characteristics are the expressions of genes, which are passed on from parent to offspring during reproduction. Variatio ...

and Dogmatism") were widely read and discussed in

Turkey Turkey ( tr, Türkiye ), officially the Republic of Türkiye ( tr, Türkiye Cumhuriyeti, links=no ), is a list of transcontinental countries, transcontinental country located mainly on the Anatolia, Anatolian Peninsula in Western Asia, with ...

. His book ''Matematiksel Düşünme'' ("Mathematical Thinking") was also very influential. He was the father of the mathematician

Cem Yıldırım Cem Yalçın Yıldırım (born 8 July 1961) is a Turkish mathematician who specializes in number theory. He obtained his B.Sc from Middle East Technical University in Ankara, Turkey and his PhD from the University of Toronto in 1990. His advisor ...

Books

* ''The Patterns of Scientific Discovery'', M.E.T.U. Publications (1981) * ''Logic: The Study of Deductive Reasoning'', M.E.T.U. Publications (1973) * ''Science: Its Meaning and Method'', M.E.T.U. Publications (1971) * ''The Logic of Value Judgments'', M.E.T.U. Publications (1965) * ''Bilimsel Düşünme Yöntemi'' ("Method of Scientific Thinking"), Bilgi Yayınevi (1997), * ''Bilimin Öncüleri'' ("Pioneers of Science"), TÜBİTAK Publications (1996), * ''Matematiksel Düşünme'' ("Mathematical Thinking"), Remzi Kitabevi (1996), * ''Evrim Kuramı ve Bagnazlık'' ("Theory of Evolution and Dogmatism"), Bilgi Yayinlari (1989) * ''Mantık: Doğru Düşünme Yöntemi'' ("Logic: The Method to Thinking Correctly"), Verso Yayınları (1987). * ''Bilim Tarihi'' ("History of Science"), Remzi Kitabevi (1983), * ''Bilim Felsefesi'' ("Philosophy of Science"), Remzi Kitabevi (1979), 1925 births 2009 deaths 20th-century Turkish philosophers Historians of science Turkish logicians Philosophers of science {{Europe-philosopher-stub