Resources for Third Quarter Biography: Karl Schwarzchild

"Schwarzschild's Spacetime:Introducing the Black Hole." The Light Cone:
The Schwarzschild Black Hole. N.p., n.d. Web. 15 Jan. 2014. http://www.phy.syr.edu/courses/modules/LIGHTCONE/schwarzschild.html.

"Karl Schwarzschild." Karl Schwarzschild. N.p., n.d. Web. 15 Jan. 2014. http://www.nndb.com/people/713/000168209/.

Weisstein, Eric. "Schwarzschild, Karl (1873-1916) -- from Eric Weisstein's World of Scientific Biography." Schwarzschild, Karl (1873-1916). Eric Weisstein's World of Scientific Biography, n.d. Web. 15 Jan. 2014. <http://scienceworld.wolfram.com/biography/Schwarzschild.html>.