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of the work, you had appointed the most skilled of your colleagues as Overseers original: Isostates; a term derived from Greek meaning "standing equal" or "supervisors" appointed to ensure quality. (to use your own words), so that medicines might be compounded as much more cautiously as they are more effective; as much more diligently as they are more difficult; and as much more purely as they are more precious. I could not help but strive, with all my strength, not only to show evidence of my gratitude toward you, but also to render to you and to the public some account (though I confess it is a meager one) of my stewardship original: villicationis; a Latin term for the management of an estate or office, here referring to his role as the College chemist.. To perform this task (being conscious of the poverty of my own talent), I called to my aid men most skilled in medicine and Chemistry: Basil Valentine A legendary 15th-century alchemist/monk whose writings were highly influential in the 17th century. (the teacher of Paracelsus), Theophrastus Paracelsus The famous Swiss physician who pioneered the use of chemicals and minerals in medicine., Martin Ruland Author of a famous 1612 dictionary of alchemy., Johann Rhenanus (whose Chemical definitions Ruland himself used), Gerard Dorn A Belgian philosopher and editor of Paracelsian texts., Michael Toxites A physician and editor of many Hermetic and Paracelsian works., Jan Baptista van Helmont A Flemish chemist and physician who bridges the gap between alchemy and modern chemistry., and other men of the same rank and learning. From their full harvests, according to my thin judgment, a small—