The Creators of Rigid Body Dynamics 11 Euler, Leonard (11). Lagrange, Joseph Louis (11). Poinsot, Louis (12). Kirchhoff, Gustav Robert (13). Clebsch, Rudolph Friedrich Alfred (13). Zhukovskii, Nikolai Egorovich (13). Kovalevskaya, Sof’ya Vasil’evna (14). Poincaré, Henry Jules (15). Lyapunov, Aleksandr Mikhailovich (15). Steklov, Vladimir Andreevich (16). Chaplygin, Sergei Alekseevich (16). Goryachev, Dmitrii Nikanorovich (17). Kozlov, ValeriiVasil’evich (17).