Karl Jansky Sources

http://www.nrao.edu/whatisra/hist_jansky.shtml

http://www.armaghplanet.com/blog/karl-jansky-the-father-of-radio-astronomy.html

http://www.nndb.com/people/055/000204440/

http://cosmology.carnegiescience.edu/timeline/1964/karl-janskys-radio-antenna

http://www.magnet.fsu.edu/education/tutorials/pioneers/jansky.html