Before revision: Infobox particle |bgcolour = |name = Photon |num_types = |composition = Elementary particle |statistics = Bosonic |group = Gauge boson |generation = |interaction = Electromagnetic, weak (and gravity) |theorized = Albert Einstein (1905) The name "photon" is generally attributed to Gilbert N. Lewis (1926) |discovered = |symbol= |mass= |mean_lifetime = Stable |decay_particle = |electric_charge = 0 |color_charge = No |spin = 1 ħ |num_spin_states = +1 ħ, −1 ħ |parity = −1 |g_parity = |c_parity = −1 |r_parity = |condensed_symmetries=I(JP C)=0,1(1−−) A photon () is an elementary particle that is a quantum of the electromagnetic field, including electromagnetic radiation such as light and radio waves, and the force carrier for the electromagnetic force.
After revision:  A photon () is an elementary particle that is a quantum of the electromagnetic field, including electromagnetic radiation such as light and radio waves, and the force carrier for the electromagnetic force.