 His brother joined him at Marburg a year later, having just recovered from a severe illness, and likewise began the study of law.Jacob Grimm became inspired by the lectures of Friedrich Karl von Savigny, a noted expert of Roman law; Wilhelm Grimm, in the preface to the "Deutsche Grammatik" (German Grammar), credits Savigny with giving the brothers an awareness of science.Savigny's lectures also awakened in Jacob a love for historical and antiquarian investigation, which underlies all his work.