The illustrations ran spanned the spectrum of printmaking techniques and demonstrated an unstoppable desire for technical innovation. His innovations include the electrolytic deposit etching, (a technique used to create a sense of depth, by depositing copper on copper). The technique was used to magisterial effect in the illustrations for the medieval Russian
epic Prince Igor; and the application of pin screen imagery to book illustration, most effectively used to illustrate Pasternak’s Doctor Zhivago.