Several months after Einstein presented his papers on General theory of relativity in 1915, a young German soldier Karl Schwarzchild, serving at the Russian front , solved Einstein's field equations. His solutions revealed the existence of black holes.
Karl Schwarzchild (1873 - 1916)
1915 年，爱因斯坦发表了关于广义相对论的论文，几个月后，一位在俄国前线服役的年轻德国士兵卡尔-史瓦西（Karl Schwarzchild）解决了爱因斯坦的场方程，他的解揭示了黑洞的存在。
（注：增加了假设条件，简化了方程。）
卡尔-史瓦西（1873 - 1916）