Energy is an important concept in Physics, which was introduced by Thomas Young in 1807 能量守恒 Grag and Korea Pr) The following physicists who made greater contributions to the discovery of the conservation of Energy(能量守恒):Energy is an important concept in Physics, which was introduced by Thomas Young in 1807. The following physicists who made greater contributions to the discovery of the Conservation of Energy（能量守恒）： 能量守恒 (Iraq and Korea(D.P.R)