Also: photons, double-slit experiment, electron diffraction, Tonomura
Light behaves as particles, and electrons behave as waves.
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Einstein's 1905 paper proposing a heuristic viewpoint on the production and transformation of light (light quanta).
As reported in: Einstein (1905). Über einen die Erzeugung und Verwandlung des Lichtes betreffenden heuristischen Gesichtspunkt. Annalen der Physik. doi:10.1002/andp.19053220607
Millikan made a direct photoelectric determination of Planck's constant h.
As reported in: Millikan (1916). A Direct Photoelectric Determination of Planck's "h". Physical Review. doi:10.1103/PhysRev.7.355
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Davisson and Germer measured electron beams diffracted by a nickel crystal.
As reported in: Davisson, Germer (1927). Diffraction of Electrons by a Crystal of Nickel. Physical Review. doi:10.1103/PhysRev.30.705
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Tonomura and colleagues filmed an interference pattern building up one electron at a time in a two-slit-type experiment, demonstrating wave–particle duality.
As reported in: Tonomura, Endo, Matsuda et al. (1989). Demonstration of single-electron buildup of an interference pattern. American Journal of Physics. doi:10.1119/1.16104
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