Johns Hopkins was a U.S. millionaire merchant and investor who in his will left large endowments to found Johns Hopkins University and Johns Hopkins Hospital.
Johns Hopkins. (2013). The Biography Channel website. Retrieved 11:19, May 19, 2013, from http://www.biography.com/people/johns-hopkins-9343697.
Johns Hopkins. [Internet]. 2013. The Biography Channel website. Available from: http://www.biography.com/people/johns-hopkins-9343697 [Accessed 19 May 2013].
"Johns Hopkins." 2013. The Biography Channel website. May 19 2013, 11:19 http://www.biography.com/people/johns-hopkins-9343697.
"Johns Hopkins," The Biography Channel website, 2013, http://www.biography.com/people/johns-hopkins-9343697 [accessed May 19, 2013].
"Johns Hopkins," The Biography Channel website, http://www.biography.com/people/johns-hopkins-9343697 (accessed May 19, 2013).
Johns Hopkins [Internet]. The Biography Channel website; 2013 [cited 2013 May 19] Available from: http://www.biography.com/people/johns-hopkins-9343697.
Johns Hopkins, http://www.biography.com/people/johns-hopkins-9343697 (last visited May 19, 2013).
Johns Hopkins. The Biography Channel website. 2013. Available at: http://www.biography.com/people/johns-hopkins-9343697. Accessed May 19, 2013.