German physicist Karl Ferdinand Braun shared the Nobel Prize for Physics in 1909 with Guglielmo Marconi for the development of wireless telegraphy.
Ferdinand Braun. (2013). The Biography Channel website. Retrieved 06:19, May 23, 2013, from http://www.biography.com/people/ferdinand-braun-9224860.
Ferdinand Braun. [Internet]. 2013. The Biography Channel website. Available from: http://www.biography.com/people/ferdinand-braun-9224860 [Accessed 23 May 2013].
"Ferdinand Braun." 2013. The Biography Channel website. May 23 2013, 06:19 http://www.biography.com/people/ferdinand-braun-9224860.
"Ferdinand Braun," The Biography Channel website, 2013, http://www.biography.com/people/ferdinand-braun-9224860 [accessed May 23, 2013].
"Ferdinand Braun," The Biography Channel website, http://www.biography.com/people/ferdinand-braun-9224860 (accessed May 23, 2013).
Ferdinand Braun [Internet]. The Biography Channel website; 2013 [cited 2013 May 23] Available from: http://www.biography.com/people/ferdinand-braun-9224860.
Ferdinand Braun, http://www.biography.com/people/ferdinand-braun-9224860 (last visited May 23, 2013).
Ferdinand Braun. The Biography Channel website. 2013. Available at: http://www.biography.com/people/ferdinand-braun-9224860. Accessed May 23, 2013.