Dutch Golden Age painting Drapers' Guild" is a subtle treatment of a group round a table. Scientists often posed with instruments and objects of their study around them. Physicians sometimes posed together around a cadaver, a so-called 'Anatomical Lesson', the most famous one being Rembrandt's "Anatomy Lesson of Dr. Nicolaes Tulp" (1632, Mauritshuis, The Hague). Boards of trustees in their "regentenstuk" portraits preferred an image of austerity and humility, posing in dark clothing (which by its refinement testified to their prominent standing in society), often seated around a table, with solemn expressions on their faces. Most militia group portraits were commissioned in Haarlem and
Nicolaes Tulp an enormous amount of herbs and spices from the East, thanks to the new shipping routes. It became a successful trade and in 1636 there were 66 apothecaries in Amsterdam. Shocked at the exorbitant prices asked for useless anti-plague medicines (Amsterdam was severely hit by the plague in 1635), Dr Tulp decided to do something about it. He gathered his doctor and chemist friends together and they wrote the first pharmacopoeia of Amsterdam in 1636 the "Pharmacopoea Amstelredamensis". The Apothecary guild would require an exam based on Dr Tulp's book in order for new chemists to set up shop in