Used by the Scientist:

https://www.huxley.net/ah/huxley-interview.html 

http://content.time.com/time/magazine/article/0,9171,989769,00.html

http://scholar.lib.vt.edu/ejournals/JTE/v1n2/postscript/braukman.jte-v1n2.ps

Used by the Historian:

http://www.newworldencyclopedia.org/entry/Aldous_Huxley

Used by the Media Specialist:

http://www.workingpsychology.com/intro.html

Used by the Psychologist:

https://www.goodreads.com/work/quotes/3204877-brave-new-world