Patrusky, Ben.
The laser : light that never was before / by Ben Patrusky; illustrated with photos. and with diagrs. by James MacDonald.
The story of how the laser came to be. Beginning with a journey into the past-a journey of a few hundred years-for the birth of the laser is rooted deep in the history of science, the evolution of man's knowledge of the things about him.
Lasers -- History.