The Runge-Kutta methods were developed by M.W. Kutta and a German mathematician, physicist, and Nikolai Zhukovsky that was born in 1856.
 These methods were developed around 1900 by the German mathematicians C. Runge and M. W. Kutta. 
Carl David Tolm Runge (] ; 30 August 1856  3 January 1927) was a German mathematician, physicist, and spectroscopist. 
