The great master-students in the development of the principles of jurisprudence of modern civilization were Friedrich Carl von Savigny (I779-I86I), Bernhard Windscheid (i8I7-I892), and Rudolph von Jhering (I8I8-92). These savants were all Germans. Each was a master of history, procedure, and applications of the law of his time and of the Roman Law, yet each entertained different points of view as to the development, evolution, and forces which brought principles of jurisprudence into existence (perhaps excepting acts of legislative bodies). Savigny was the master-mind of the Historical school of the law. He says that its object "is to trace every established system to its roots and then discover an organic principle, whereby that which still has life may be separated from that which is lifeless and only belongs to history."' One may ask, why do any of Savigny's principles of law have "life"? On account of the limitation of such a paper as this we content ourselves with a description of Savigny's life-work by J. E. C. Montmorency. He says: