Das Leben des Menschen. Eine volkstümliche Anatomie, Biologie, Physiologie und Entwicklungsgeschichte des Menschen. 5 vols.

By developing a new infographics style of illustration in which physiological processes and other technical medical and biological concepts were often depicted as, or compared to machines, Kahn made medical and biological information more widely accessible to the general public. Includes the famous large folding color graphic poster, Der Mensch als Industriepalast (98 x 49 cms). Also includes a pair of 3D glasses for viewing 3D images reproduced in the 5th volume.