Don S. Lemons is Professor of Physics Emeritus at Bethel College in North Newton, Kansas and the author of Drawing Physics- 2,600 Years of Discovery from Thales to Higgs and Thermodynamic Weirdness- From Fahrenheit to Clausius (both published by the MIT Press). William R. Shanahan, now retired, was a scientific staff member at the Los Alamos National Laboratory. Louis Buchholtz is Professor of Physics Emeritus at California State University, Chico.
""Black-body radiation — emitted and absorbed by non-reflective bodies in thermal equilibrium — was named by Gustav Kirchhoff in 1862. But he and others were perplexed by calculations suggesting it should be infinite at high frequencies. This unavoidably mathematical history by three physicists follows the trail from Kirchhoff to Max Planck — who in 1900 explained that the radiation could change its energy only in minimal increments proportional to the wave’s frequency — and Albert Einstein’s quantum theory of radiation in 1917."" —Nature