Eckhart Grünewald, whose "prodigious research" is cited by Professors Benson, Giesey, and Sevcenko, writes of Kantorowicz's involvement in the violent suppression of German Communists in 1919, that it is to be explained by "political motives which can only be called counter-revolutionary.    From Wordnik.com.  [Defending Kantorowicz] Reference