Director of the Berlin Kupferstichkabinett under Wilhelm Bode.In 1930, Bock and Jakob Rosenberg published the complete catalogue of Dutch drawings at the Berlin Kupferstichkabinett. It includes all Flemish and Dutch schools from around 1420 to 1800. Not included, however, are the works acquired after 1930. He resigned because of poor health in 1933 and died shortly thereafter. He was succeeded by Friedrich Winkler.
Rosenberg, Jakob. "Friedlaender and the Berlin Museums." Burlington Magazine 101, no. 672 (March 1959): 84; [obituary:] Friedländer, Max J. "Elfried Bock." Berliner Museen 54, no. 1. (1933): 21