Theodore Maiman was awarded the patent for ruby laser systems
1967American physicist Theodore Maiman was given a patent for his ruby laser systems, the world's first laser, and paid $300 for it by assignee Hughes Aircraft Company. It turned out to be Hughes' most profitable patent.
The Great Comet of 1680 was discovered
1680German astronomer Gottfried Kirch discovered the Great Comet of 1680, the first comet to be discovered by telescope.
