The LASER is one of the most important inventions in history and is now a part of all areas of our day-to-day lives.
Einstein's “Splendid Light”: Origins and Dental Applications
History of the Laser
History of Laser Technology
This Month in Physics History
Short history of laser development
Laser - Wikipedia
Laser: Most Up-to-Date Encyclopedia, News & Reviews
How do lasers work? Who invented the laser?
A History of the Laser: 1960 - 2019, Features, Jun 2019
When Were Lasers Invented? – Metrology and Quality News - Online Magazine
PDF) Short history of Laser development
How Lasers Work and Who Invented Them