These excavations and especially his theoretical discussions made Grimm a pioneer of Medieval archaeology .
Especially in his pioneering excavations of the abandoned Medieval village of Hohenrode and Tilleda Palace , the first entirely excavated Kaiserpfalz , Grimm was responsible for great advances in German archaeology .
These excavations and especially Grimm 's theoretical discussions Grimm Grimm a pioneer of Medieval archaeology .
Especially in his pioneering excavations of the abandoned Medieval village of Hohenrode and Tilleda Palace , the first entirely excavated Kaiserpfalz , Grimm was responsible for great advances in German archaeology .