H. Kragh

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On Modern Cosmology and its Place in Science Education

H. Kragh, 2011 .

An introduction to the historiography of science: Contents

H. Kragh, 1987 .

Cosmo-Physics in the Thirties: Towards a History of Dirac Cosmology

H. Kragh, 1982 .

Cosmology between the Wars: The Nernst-Macmillan Alternative

H. Kragh, 1995 .

Contemporary History of Cosmology and the Controversy over the Multiverse

H. Kragh, 2009 .

The Politics of Excellence: Behind the Nobel Prize in Science

H. Kragh, 2002 .

On Ludvig Lorenz and his 1890 treatise on light scattering by spheres

J. R. Frisvad, H. Kragh, J. Frisvad, 2019, The European Physical Journal H.

Cosmic Radioactivity and the Age of the Universe, 1900–1930

H. Kragh, 2007 .

Expanding Earth and declining gravity: a chapter in the recent history of geophysics

H. Kragh, 2015 .

A cosmologist's excursion into geophysics

H. Kragh, 2015 .

Max Planck: the reluctant revolutionary

Helge Kragh, H. Kragh, 2000 .

Testability and Epistemic Shifts in Modern Cosmology

Helge Kragh, H. Kragh, 2014 .

Conceptual objections to the Bohr atomic theory — do electrons have a “free will” ?

H. Kragh, 2011 .

The rise and fall of cosmical physics: notes for a history, ca. 1850-1920

H. Kragh, 2013, 1304.3890.

Nordic cosmogonies: Birkeland, Arrhenius and fin-de-siècle cosmical physics

H. Kragh, 2013 .

Elements No. 70, 71 and 72: Discoveries and Controversies

H. Kragh, 1996 .

Julius Thomsen (1826–1909) and his contributions to thermochemistry, atomic theory, and the nature of chemical elements

H. Kragh, 2019, ChemTexts.

Concept and Controversy: Jean Becquerel and the Positive Electron

H. Kragh, 1989 .

From Casimir to Zel’dovich

H. Kragh, J. Overduin, 2014 .

The childhood of H3 and H+3

H. Kragh, 2010 .

Erwin Schrödinger and the Wave Equation: The Crucial Phase

H. Kragh, 1982 .

Gamow's Game: The Road to the Hot Big Bang

H. Kragh, 1996 .

The First Subatomic Explanations of the Periodic System

H. Kragh, 2001 .

The Context of Discovery: Lemaître and the Origin of the Primeval-Atom Universe

H. Kragh, D. Lambert, 2007 .

Cosmologies with varying speed of light: A historical perspective

H. Kragh, 2006 .

After Plate Tectonics

H. Kragh, 2016 .

Big Bang: the etymology of a name

H. Kragh, 2013 .

Some Philosophical Issues

H. Kragh, 2018 .

Resisting the Bohr Atom: The Early British Opposition

H. Kragh, 2011 .

Cosmology and the Origin of the Universe: Historical and Conceptual Perspectives

H. Kragh, 2017, 1706.00726.

Photon: New light on an old name

H. Kragh, 2014, 1401.0293.

From time atoms to space-time quantization: the idea of discrete time, ca 1925–1936

H. Kragh, B. Carazza, 1994 .

Ludvig Lorenz, Electromagnetism, and the Theory of Telephone Currents

H. Kragh, 2016, 1606.00205.

Quasi-Steady-State and Related Cosmological Models: A Historical Review

H. Kragh, 2012, 1201.3449.

Gravitation and the earth sciences: the contributions of Robert Dicke

H. Kragh, 2015, 1501.04293.

FROM DISULFIRAM TO ANTABUSE: THE INVENTION OF A DRUG

H. Kragh, 2008 .

Planck’s Second Quantum Theory

H. Kragh, J. Overduin, 2014 .

Visions of Revolutions: Microphysics and Cosmophysics in the 1930s

H. Kragh, 2011, 1111.6163.

The Science of the Universe: Cosmology and Science Education

H. Kragh, 2014 .

Cosmology and science education: Problems and promises

H. Kragh, 2012, 1212.1592.

Telephone technology and its interactions with sciences and the military, CA. 1900-1930

H. Kragh, 1996 .

IS SPACE FLAT? NINETEENTH-CENTURY ASTRONOMY AND NON-EUCLIDEAN GEOMETRY

H. Kragh, 2012, Journal of Astronomical History and Heritage.

Geometry and Astronomy: Pre-Einstein Speculations of Non-Euclidean Space

H. Kragh, 2012, 1205.4909.

Steady-State Cosmology and General Relativity: Reconciliation or Conflict?

H. Kragh, 1999 .

The Cosmological Constant

H. Kragh, J. Overduin, 2014 .

Plenitude Philosophy and Chemical Elements

H. Kragh, 2019 .

The Solar Element: A Reconsideration of Helium's Early History

H. Kragh, 2009 .

Julius Thomsen and classical thermochemistry

H. Kragh, 1984, The British Journal for the History of Science.

The periodic system and the idea of a chemical element: From Mendeleev to superheavy elements

H. Kragh, 2019, Centaurus.

The isotope effect: Prediction, discussion, and discovery

H. Kragh, 2011, 1112.2339.

The rise and fall of cosmical physics: notes for a history, ca. 1850-1920

H. Kragh, 2013, 1304.3890.

Physics and the Totalitarian Principle

H. Kragh, 2019, 1907.04623.

One hundred years of the Bohr atom : proceedings from a conference

H. Kragh, F. Aaserud, 2015 .

Social Constructivism, the Gospel of Science, and the Teaching of Physics

H. Kragh, 1998 .

Max Weinstein: Physics, Philosophy, Pandeism

H. Kragh, 2019, 1901.11299.

Inflation and the False Vacuum

H. Kragh, J. Overduin, 2014 .

Cosmology and Controversy

H. Kragh, 1996 .

Cosmology and science education: Problems and promises

H. Kragh, 2012, 1212.1592.

What's in a Name: History and Meanings of the Term 'Big Bang'

H. Kragh, 2013, 1301.0219.

Fundamental Theories and Epistemic Shifts: Can the History of Science Serve as a Guide?

H. Kragh, 2017, Why Trust a Theory?.

Superheavy elements and the upper limit of the periodic table: early speculations

H. Kragh, 2013 .

A Note on the Prehistory of Superheavy Elements

H. Kragh, 2012, 1207.5946.

Galileo in early modern Denmark, 1600-1650

H. Kragh, 2014, 1407.7380.

Nernst’s Cosmic Quantum-Ether

H. Kragh, J. Overduin, 2014 .

From Anomaly to Explanation: The Continuous Beta Spectrum, 1929–1934

R. Stuewer, H. Kragh, F. Aaserud, 2000 .

Eight Physicists and Astronomers: Biographical Portraits

H. Kragh, 2012, 1208.3114.

IS THE UNIVERSE EXPANDING? FRITZ ZWICKY AND EARLY TIRED-LIGHT HYPOTHESES

H. Kragh, 2017, Journal of Astronomical History and Heritage.

Expanding Earth and Static Universe: Two Papers of 1935

H. Kragh, 2015, 1507.08040.

The Electrical Universe: Grand Cosmological Theory versus Mundane Experiments

H. Kragh, 1997, Perspectives on Science.

Higher Speculations: Grand Theories and Failed Revolutions in Physics and Cosmology

H. Kragh, 2011 .

Arthur March, Werner Heisenberg, and the search for a smallest length/Arthur March, Werner Heisenberg, et la notion de longueur minimale

H. Kragh, 1995 .

Niels Bohr's Second Atomic Theory

H. Kragh, 1979 .

Chemical aspects of Bohr's 1913 theory

H. Kragh, 1977 .

Ellen Gleditsch: Pioneer Woman in Radiochemistry

H. Kragh, L. Kvittingen, Annette Lykknes, 2004 .

Philosophical Contexts of the Steady-State Universe

H. Kragh, 2021, HOPOS: The Journal of the International Society for the History of Philosophy of Science.

The True (?) Story of Hilbert's Infinite Hotel

H. Kragh, 2014, 1403.0059.

A Sense of Crisis: Physics in the fin-de-siecle Era

H. Kragh, 2012, 1207.2016.

A terminological history of early elementary particle physics

H. Kragh, 2022, Archive for History of Exact Sciences.

Before Bethe: Early Ideas of the Sun's Generation of Energy

H. Kragh, 2022, 2209.00072.

Preludes to dark energy: zero-point energy and vacuum speculations

H. Kragh, 2011, Archive for History of Exact Sciences.

Preludes to dark energy: zero-point energy and vacuum speculations

H. Kragh, 2011, 1111.4623.

Mathematics and Physics: The Idea of a Pre-Established Harmony

H. Kragh, 2014, Science & Education.

“The Most Philosophically Important of All the Sciences”: Karl Popper and Physical Cosmology

H. Kragh, 2013, Perspectives on Science.

“The most philosophically of all the sciences”: Karl Popper and physical cosmology

H. Kragh, 2012 .

Abū al-Ṣalt: Umayya ibn ҁ Abd al- ҁ Azīz ibn Abī al-Ṣalt al-Dānī al-Andalusī

Anthony F. Beavers, D. A. King, Steven L. Renshaw, 2014 .

Dirac: A Scientific Biography

Helge Kragh, S. S. Schweber, H. Kragh, 1991 .

Book Review: Lemaître in Context: The Day without Yesterday: Lemaître, Einstein, and the Birth of Modern Cosmology

H. Kragh, 2007 .

The Expanding Earth

H. Kragh, 2016 .

Pascual Jordan, Varying Gravity, and the Expanding Earth

H. Kragh, 2015, Physics in Perspective.

Pascual Jordan, Varying Gravity, and the Expanding Earth

H. Kragh, 2015 .

Matter and Spirit in the Universe: Scientific and Religious Preludes to Modern Cosmology

H. Kragh, 2004 .

Continual Fascination: The Oscillating Universe in Modern Cosmology

H. Kragh, 2009, Science in Context.

Entropic Creation: Religious Contexts of Thermodynamics and Cosmology

H. Kragh, 2008 .

The Vortex Atom: A Victorian Theory of Everything

H. Kragh, 2002 .

Magic Number: A Partial History of the Fine-Structure Constant

H. Kragh, 2003 .

Edward Arthur Milne - The relations of mathematics to science

Helge Kragh, Simon Olling Rebsdorf, S. O. Rebsdorf, 2002 .

The Oxford Handbook of the History of Modern Cosmology

M. Longair, H. Kragh, 2019 .

Conceptions of Cosmos: From Myths to the Accelerating Universe: A History of Cosmology

H. Kragh, 2007 .

The Fine Structure of Hydrogen and the Gross Structure of the Physics Community, 1916-26

H. Kragh, 1985 .

THE RECEPTION OF ISAAC NEWTON IN EUROPE LANGUAGE COMMUNITIES , REGIONS AND COUNTRIES : THE GEOGRAPHY OF NEWTONIANISM

A. Malet, S. Mandelbrote, Thomas Ahnert, 2020 .

Cosmology and Religion

H. Kragh, 2020 .

Niels Bohr between physics and chemistry

H. Kragh, 2013 .

Karl Popper and Modern Cosmology: His Thoughts and Their Impact

H. Kragh, 2021, Karl Popper's Science and Philosophy.

Karl Popper on Physical Cosmologies

H. Kragh, 2012 .

George Gamow and the ‘Factual Approach’ to Relativistic Cosmology

H. Kragh, 2005 .

A sense of history: History of science and the teaching of introductory quantum theory

H. Kragh, 1992 .

Quasi-Steady-State and Related Cosmological Models: A Historical Review

H. Kragh, 2012, 1201.3449.

The Lost Elements: The Periodic Table's Shadow Side

Helge Kragh, H. Kragh, 2016, Ambix.

An anthropic myth: Fred Hoyle’s carbon-12 resonance level

H. Kragh, 2010 .

When is a prediction anthropic? Fred Hoyle and the 7.65 MeV carbon resonance

H. Kragh, 2010 .

In the early days of 1953 the British astrophysicist and cosmologist Fred Hoyle

H. Kragh, 2010 .

Chemistry and Technology

Helge Kragh, H. Kragh, 2009 .

To be or not to be: the early history of H3 and H3+

H. Kragh, 2012, Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences.

A Controversial Molecule: The Early History of Triatomic Hydrogen

H. Kragh, 2011 .

The concept of the monopole. A historical and analytical case-study

H. Kragh, 1981 .

Varying Gravity: Dirac’s Legacy in Cosmology and Geophysics

H. Kragh, 2016 .

Quantum Generations: A History of Physics in the Twentieth Century.

Helge Kragh, H. Kragh, 2001 .

An Introduction to the Historiography of Science

H. Kragh, Helge S. Kragh, 1987 .

The Spectrum of the Aurora Borealis: From Enigma to Laboratory Science

H. Kragh, 2009 .

Nordic cosmogonies: Birkeland, Arrhenius and fin-de-siècle cosmical physics

H. Kragh, 2013, The European Physical Journal H.

LARS VEGARD, ATOMIC STRUCTURE, AND THE PERIODIC SYSTEM

H. Kragh, 2012 .

An early explanation of the periodic table: Lars Vegard and X-ray spectroscopy

H. Kragh, 2011, 1112.3774.

AURORAL CHEMISTRY: THE RIDDLE OF THE GREEN LINE

H. Kragh, 2010 .

Equation with the many fathers. The Klein–Gordon equation in 1926

H. Kragh, 1984 .

Science in Denmark: A Thousand-Year History

Peter C. Kjærgaard, H. Kragh, Kristian Hvidtfeldt-Nielsen, 2008 .

Ludvig Lorenz, Electromagnetism, and the Theory of Telephone Currents

H. Kragh, 2016, 1606.00205.

Georgius Frommius (1605–1651) and Danish Astronomy in the Post-Tychonian Era

H. Kragh, 2015 .

From Ørsted to Bohr:The Sciences and the Danish University System, 1800–1920

H. Kragh, 2015 .

Styles of Science and Engineering: The Case of Early Long-Distance Telephony

Helge Kragh, H. Kragh, 2009 .

The Krarup cable: Invention and early development

Helge Kragh, H. Kragh, 1994 .

Ludvig Lorenz and the Early Theory of Long‐distance Telephony

H. Kragh, 1992 .

Ludvig Lorenz and nineteenth century optical theory: the work of a great Danish scientist.

H. Kragh, 1991, Applied optics.

Niels Bohr and the Quantum Atom: The Bohr Model of Atomic Structure 1913-1925

H. Kragh, 2012 .

Before cosmophysics: E.A. Milne on mathematics and physics

S. O. Rebsdorf, H. Kragh, 2002 .

The Universe, the Cold War, and Dialectical Materialism

H. Kragh, 2012, 1204.1625.

Brecht, Galileo, and Møller: A View from Copenhagen, 1938–1939

H. Kragh, 2022, Physics in Perspective.

Cyclic models of the relativistic universe: the early history

H. Kragh, 2013, 1308.0932.

THE ORIGIN AND EARLIEST RECEPTION OF BIG-BANG COSMOLOGY

H. Kragh, 2008 .

The Controversial Universe: A Historical Perspective on the Scienti c Status of Cosmology

H. Kragh, 2007 .

On scientific biography and biographies of scientists

H. Kragh, 2015 .

The names of physics: plasma, fission, photon

H. Kragh, 2014 .

On Element Discoveries

H. Kragh, 2018 .

The search for superheavy elements: Historical and philosophical perspectives

H. Kragh, 2017, 1708.04064.

The names of physics: plasma, fission, photon

H. Kragh, 2014, The European Physical Journal H.

Failed Discovery Claims

H. Kragh, 2018 .

Superheavy elements and the upper limit of the periodic table: early speculations

H. Kragh, 2013 .

Half-Quanta and Zero-Point Energy

H. Kragh, J. Overduin, 2014 .

Paul Dirac and The Principles of Quantum Mechanics

H. Kragh, 2013 .

Anatomy of a priority conflict: The case of element 72

H. Kragh, 1980 .

The Rise of a Controversy: Ellis, Meitner and Smekal Advance Different Beta-Spectrum Theories, 1920–1922

R. Stuewer, H. Kragh, F. Aaserud, 2000 .

The Origin of Beta Rays, and the Growing Complexity of Their Spectrum: The Rutherford Era, 1911–1919

R. Stuewer, H. Kragh, F. Aaserud, 2000 .

An Unlikely Connection: Geochemistry and Nuclear Structure

H. Kragh, 2000 .

Beyond Uranium, Ca. 1890–1950

H. Kragh, 2018 .

Chemical and other aspects of Rutherford’s nuclear atom

H. Kragh, 2020, Journal of the Royal Society of New Zealand.

Rutherford, Radioactivity, and the Atomic Nucleus

H. Kragh, 2012, 1202.0954.

Pierre Duhem, Entropy, and Christian Faith

H. Kragh, 2008 .

Sooner Silence than Confusion: The Tortuous Entry of Entropy into Chemistry

H. Kragh, S. Weininger, 1996 .

Adolfo Bartoli and the problem of radiant heat

Helge Kragh, H. Kragh, B. Carazza, 1989 .

Philosophy of Physics: Space and Time

H. Kragh, 2015 .

How Heavy Is the Vacuum

H. Kragh, J. Overduin, 2014 .

The Lorenz-Lorentz Formula: Origin and Early History

H. Kragh, 2018 .

The Accelerating Universe

H. Kragh, J. Overduin, 2014 .

The Beat of a Different Drum: The Life and Science of Richard Feynman

Helge Kragh, Jagdish Mehra, J. Mehra, 1994 .

Relativity and quantum theory from Sommerfeld to Dirac

H. Kragh, 2000, Annalen der Physik.

Preprint: Phil-Sci Archive, http://philsci-archive

H. Kragh, Hans Halvorson, 2011 .

Varying Constants of Nature: Fragments of a History

H. Kragh, 2019, Physics in Perspective.

Relativistic Quantum Mechanics

Helge Kragh, H. Kragh, 2009, Compendium of Quantum Physics.

On the Constitution of Atoms and Molecules

H. Kragh, 2012 .

Ludvig Lorenz and His Non-Maxwellian Electrical Theory of Light

H. Kragh, 2018, Physics in Perspective.

The Making of the Chemist: The Social History of Chemistry in Europe, 1789-1914

D. Knight, H. Kragh, 2008 .

Book Review:Masters of Modern Physics: The Scientific Contributions of H. A. Kramers D. ter Haar

H. Kragh, 1999 .

Book Review:Conceptual Developments of Twentieth-Century Field Theories Tian Yu Cao

H. Kragh, 1998 .

Book-Review - Dirac - a Scientific Biography

H. Kragh, N. Kemmer, 1991 .

Is the Universe expanding? Fritz Zwicky and the early tired-light hypothesis

H. Kragh, 2017 .

From curiosity to industry: The early history of cryolite soda manufacture

H. Kragh, 1995 .

Before Bohr: Theories of atomic structure 1850-1913

H. Kragh, 2010 .

Problems and Challenges in the Historical Study of the Neurosciences

H. Kragh, 2002, Journal of the history of the neurosciences.

Quantum Generations

H. Kragh, 2020 .

Reluctant Pioneer of Nuclear Astrophysics: Eddington and the Problem of Stellar Energy

H. Kragh, 2021, 2111.02096.

Prelude: Beta-Spectrum Research in the Pre-Nuclear Years, 1900–1911

R. Stuewer, H. Kragh, F. Aaserud, 2000 .

Ludvig Lorenz and His Non-Maxwellian Electrical Theory of Light

H. Kragh, 2018, Physics in Perspective.

The Lorenz Number and the Lorenz Gauge—Known Concepts, Unknown Physicist

H. Kragh, 2018, Annalen der Physik.

Constructing quantum mechanics, volume 1: the Scaffold 1900-1923

H. Kragh, 2020 .

The End of the Beginning: The Controversy Enters the Decisive Phase, 1925–1929

R. Stuewer, H. Kragh, F. Aaserud, 2000 .

Mathematics and Physics: The Idea of a Pre-Established Harmony

H. Kragh, 2015 .

Heisenberg’s lattice world: The 1930 theory sketch

H. Kragh, B. Carazza, 1995 .

Secondary Effects and Order of Emission: Two Main Questions in the Controversy, 1923–1925

R. Stuewer, H. Kragh, F. Aaserud, 2000 .

Chemists without knowing it? Computational chemistry and the Møller-Plesset pertubation theory

N. Bohr, H. Kragh, 2022 .

The Active Ether

H. Kragh, J. Overduin, 2014 .

Classical Behavior of Macroscopic Bodies from Quantum Principles: Early Discussions

H. Kragh, B. Carazza, 2000 .

Quantization (First, Second)

Helge Kragh, H. Kragh, 2009, Compendium of Quantum Physics.

History of Science Department University of Aarhus

H. Kragh, 2000 .

Super-Superheavy Elements

H. Kragh, 2018 .

Conceptual Changes in Chemistry: The Notion of a Chemical Element, ca. 1900–1925

H. Kragh, 2000 .

The source of solar energy, ca. 1840–1910: From meteoric hypothesis to radioactive speculations

H. Kragh, 2016, The European Physical Journal H.

The source of solar energy, ca. 1840–1910: From meteoric hypothesis to radioactive speculations

H. Kragh, 2016, 1609.02834.

The Nobel Prize System and the Astronomical Sciences

H. Kragh, 2017 .

RePoSS # 21 : Empty space or ethereal plenum ? Early ideas from Aristotle to Einstein

H. Kragh, 2013 .

The Beginning of the World: Georges Lemaître and the Expanding Universe

H. Kragh, 1987 .

Theism and Physical Cosmology

H. Kragh, Hans Halvorson, 2010 .

Cosmology and the Origin of the Universe: Historical and Conceptual Perspectives

H. Kragh, 2017, 1706.00726.

On Arthur Eddington's Theory of Everything

H. Kragh, 2015, 1510.04046.

The Transfermium Wars

H. Kragh, 2018 .

Svante Arrhenius, cosmical physicist and auroral theorist

H. Kragh, 2013 .

Augusto Righi's Magnetic Rays: A Failed Research Program in Early 20th-Century Physics

H. Kragh, B. Carazza, 1990 .

The Weight of the Vacuum: A Scientific History of Dark Energy

H. Kragh, J. Overduin, 2014 .

Who Discovered the Expanding Universe?

Helge Kragh, R. Smith, H. Kragh, 2003 .

Cosmologies and Cosmogonies of Space and Time

M. Nye, H. Kragh, 2001 .

The genius of science: a portrait gallery of twentieth-century physicists

H. Kragh, 2002 .

S. M. Jørgensen and his controversy with A. Werner: a reconsideration

H. Kragh, 1997, The British Journal for the History of Science.

Early dynamical world models: A historical review

H. Kragh, 2009, Proceedings of the International Astronomical Union.

The Hamburg Connection

H. Kragh, J. Overduin, 2014 .

Cosmology and Theology

H. Kragh, Hans Halvorson, 2011 .

The genesis of dirac's relativistic theory of electrons

H. Kragh, 1981 .

The green line: a chapter in the history of auroral physics

H. Kragh, 2009 .

Historical aspects of post-1850 cosmology

H. Kragh, 2014, 1410.2753.

Variable Cosmological Constants and Quintessence

H. Kragh, J. Overduin, 2014 .

FeAtURes 15 Life : how it began and how it survives

H. Kragh, P. Joshi, 2015 .

MICHELA MASSIMI Pauli's Exclusion Principle: The Origin and Validation of a Scientific Principle

Helge Kragh, H. Kragh, 2009, The British Journal for the Philosophy of Science.

Walther Nernst: grandfather of dark energy?

H. Kragh, 2012 .

ҁAlī al-Muwaqqit: Muṣliḥ al-Dīn Muṣṭafā ibn ҁAlī al-Qusṭanṭīnī al-Rūmī al-Ḥanafī al-Muwaqqit

Anthony F. Beavers, D. A. King, Steven L. Renshaw, 2014 .

Abū al- ҁ Uqūl: Abū al- ҁ Uqūl Muḥammad ibn Aḥmad al-Ṭabarī

Anthony F. Beavers, D. A. King, Steven L. Renshaw, 2014 .

The Arrow of Time and the Historization of Nature

H. Kragh, 2008 .

Theism and Physical Cosmology1

H. Kragh, Hans Halvorson, 2010 .