Double-Slit Experiment:
“The experiment was first performed, using light, by Thomas Young in 1801, as a demonstration of the wave behavior of light.”
“In 1927, Davisson and Germer demonstrated that electrons show the same behavior, which was later extended to atoms and molecules.”
Reference Source:
[1] Wikipedia Contributors. “Double-Slit Experiment.” Wikipedia, Wikimedia Foundation, 19 July 2021, en.wikipedia.org/wiki/Double-slit_experiment. Accessed 11 Aug. 2021.
[2] Wikipedia Contributors. “Thomas Young (Scientist).” Wikipedia, Wikimedia Foundation, 22 July 2021, en.wikipedia.org/wiki/Thomas_Young_(scientist). Accessed 11 Aug. 2021.