I know nothing of this illustrator except for one extraordinary book,
SKI-FIBEL, published by Rowahlt in Berlin in 1933, and
a most inventive celebration on the page of aspects of skiing. See also
the modernist handbook by Pierre Allais . See also the depiction of Movement
section a typical double page spread 20 x 32 cms. the printed paperboards
of the front cover, 16cms by 20cms. the printed paperboards of the back
cover, 16cms by 20cms. pages 64 and 65, showing Mumelter's characteristic
blend of humour and instruction.