Hemp grows. Coloured copper engraving; based on an illustration by Gottlieb Tobias Wilhelm (1758-1811); in Encyclopedie dhistoire naturelle; published in Vienna (Austria); 1816. Cannabis; Cannabis sativa. Handcolored copperplate engraving of a botanical illustration from G. T. Wilhelms ?œâ€?Unterhaltungen aus der Naturgeschichte?â€?(Encyclopedia of Natural History); Vienna; 1816. Gottlieb Tobias Wilhelm (1758-1811) was a Bavarian clergy and naturalist in Augsburg; where the first edition was published.