He called such a wave-packet the light quantum (German: das Lichtquant).

In 1905, "Einstein believed that Planck's theory could not be made to agree with the idea of light quanta, a mistake he corrected in 1906."

We accelerate light quanta in the system I described, and pretty soon we're pushing quanta faster than the speed of light.

This paper proposed the simple description of "light quanta", or photons, and showed how they explained such phenomena as the photoelectric effect.

Fans observe this team with a wince and a shrug, as though trying to figure out, say, Planck's constant and the hypothesis of light quanta.

Bose first sent a paper to Einstein on the quantum statistics of light quanta (now called photons).

Einstein's "light quanta" would not be called photons until 1925, but even in 1905 they represented the quintessential example of wave-particle duality.

Out of deference to their particle-like behavior in certain processes and measurements, light quanta came to be called photons (1926).

The result is, in some ways, similar to neomaser alignment of light quanta.

In 1905, Albert Einstein proposed the existence of a light-particle in answer to the question: "what are light quanta?"