Astronomy
- Neil deGrasse Tyson info
- http://www.haydenplanetarium.org/tyson/profile/about-neil-degrasse-tyson
- kent.edu
- http://cnr2.kent.edu/~manley/astronomers.html
- famous astronomers
- http://famousastronomers.org/
- space.com astronomers
- http://www.space.com/19215-most-famous-astronomers-history.html
- University of Oregon
- http://abyss.uoregon.edu/~js/ast121/lectures/lec02.html
- spaceanswers.com
- http://www.spaceanswers.com/category/heroes-of-space-2/
- Space.com
- http://www.space.com/16095-famous-astronomers.html