Nick Evans (gentileza de usar fotografia de Causus rhombeatus).
Nick Evans (kindly given grant permission to use Causus rhombeatus photography).
Scratchpads developed and conceived by (alphabetical):
Ed Baker,
Katherine Bouton
Alice Heaton
Dimitris Koureas,
Laurence Livermore,
Dave Roberts,
Simon Rycroft,
Ben Scott,
Vince Smith
