This companion to the illustration on the left shows the preparation of theriac, a complex antidote that Galen's recommendation helped to raise to the level of an internationally renowned panacea. Between and above the two central figures are various drug containers from which they are measuring the ingredients. Two assistants (extreme left and right) obtain supplies of crude drugs for the compounders. Source: Miniature from ms. in Austrian National Library, Vienna; reproduced from Zekert, O.: Chem. and Druggist 120:728, 1934.