Helge Stjernholm Kragh (born February 13, 1944) is a Danish historian of science.
Kragh studied mathematics and physics at the University of Copenhagen before obtaining his PhD in 1981 at the University of Roskilde. He is a professor at the Centre for Science Studies of Aarhus University .
Kragh's areas of study are the history of physics from the mid-19th century onward, the history of astronomy , the history of cosmology and the history of chemistry .
Honors and awards President, European Society for the History of Science 2008–2010 Member, European Academy of Sciences Member, Académie Internationale d'Histoire des Sciences (corresponding member since 1995, full member since 2005) Member, Royal Danish Academy of Sciences and Letters Dirac – a scientific biography . Cambridge University Press 1990, 2005, ISBN 0521017564Quantum Generations – a history of physics in the 20. Century . Princeton University Press, 1999An introduction to the historiography of Science . Cambridge University Press, 1987Matter and Spirit in the Universe – scientific and religious preludes to modern cosmology . 2004Conceptions of Cosmos – from myth to the accelerating universe . Oxford University Press, 2006Cosmology and Controversy- the historical development of two theories of the universe . Princeton University Press, 1999The Moon that wasn't -the saga of Venus'spurious satellite . Birkhäuser, 2008Entropy Creation – religious contexts of thermodynamics and cosmology . Ashgate, London 2008Editor (with David Knight): The Making of the Chemist: The Social History of Chemistry in Europe, 1789–1914 . Cambridge University Press, 1998 with Peter C. Kjargaard, Henry Nielsen: Science in Denmark- through a thousand years . Aarhus University Press, 2009 List of Kragh's publication at Aarhus University Homepage in Aarhus 
