Professor Mark McNabb was responsible for coloring the Girl Genius comic starting from Volume II (Agatha Heterodyne and The Airship City), up to and including print issue #8, after which Professor Laurie E. Smith took over with print issue #9. His work has been praised for the modelling of forms and musculature; the last panel on [ this page] [[Chronology - Volume #|✣ ]] has been cited as a particular example of this.