On 17 March 1905, Albert Einstein completed his groundbreaking scientific paper on the Quantum Theory of Light, a seminal work that challenged classical physics by proposing that light consists of discrete energy packets, later termed photons.
This revolutionary idea not only resolved perplexing anomalies in blackbody radiation and the photoelectric effect but also laid the cornerstone for quantum mechanics, reshaping humanity’s understanding of light and energy.
Einstein’s audacious insights in this Annus Mirabilis (miracle year) would earn him the 1921 Nobel Prize in Physics, cementing his place among history’s greatest scientific minds.
