Light does not have mass. It is a form of energy.
One of light's defining characteristics is that it does not have mass; it is instead pure energy. To answer your question, no one discovered it because it has been proven to be false.
he discovered that light has 7 colours
Boston was not discovered it was founded
He discovered that you have to find the volume, mass, and density of something
The proton was discovered by James Chadwick in 1932.
Sir W. Crookes discovered the Properties of Light in 1879.
UV Light was discovered by Johann Wilhelm Ritter, in 1801
Antoine Lavoisier: Developed the Law of Conservation of Mass. We don't really know who discovered it. Hope that answered it...:)
The light bulb was not something that existed and had to be discovered. It was a new thing that was invented.
Light is not a material. Material things have mass and light has no mass.
That all objects with mass are attacted to all other objects with mass, and it was discovered by Isaac Newton.