activity
20112022
most citedThe Source of Solar Energy, ca. 1840-1910: From Meteoric Hypothesis to Radioactive Speculations

31 citations · 144 across the 35 of their papers we have counts for

collaborators

36 papers

physics.hist-ph2022

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

Helge Kragh

Solar energy remained an enigma for nearly a century. For a while astronomers and physicists believed that the source of the Sun's energy was gravitational contraction, but the the…

physics.hist-ph2021

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

Helge Kragh

During the years from 1917 to 1921, A.S. Eddington was intensely occupied with Einstein's general theory of relativity and the epic eclipse expedition which confirmed one of the th…

physics.hist-ph2019★ 4 cited

Physics and the Totalitarian Principle

Helge Kragh

What is sometimes called the "totalitarian principle," a metaphysical doctrine often associated with the famous physicist Murray Gell-Mann, states that everything allowed by the la…

physics.hist-ph2019

Max Weinstein: Physics, Philosophy, Pandeism

Helge Kragh

This is a brief introduction to the life and ideas of the Lithuanian-German physicist, philosopher and religious thinker Max B. Weinstein, who is today best known for his thoughts…

physics.hist-ph2018★ 6 cited

Hubble Law or Hubble-Lemaître Law? The IAU Resolution

Helge Kragh

The Hubble law, widely considered the first observational basis for the expansion of the universe, may in the future be known as the Hubble-Lemaître law. This is what the General A…

physics.hist-ph2018

Ludvig Lorenz (1867) on Light and Electricity

Helge Kragh

Independent of Maxwell, in 1867 the Danish physicist L. V. Lorenz proposed a theory in which he identified light with electrical oscillations propagating in a very poor conductor.…