

450
<p><em>Heirs of Hippocrates</em> 408: «A Belgian mystic, Helmont was nonetheless the most prominent chemist of the first half of the seventeenth century. Originally an alchemist and a follower of Paracelsus in that his outlook was universal, he himself marks the transition from alchemy to the science of chemistry in the modern sense.». In<em> Ortus medicinae</em>, la sua opera più importante, qui in seconda edizione, «[...] Helmont established his name as one of the founders of biochemistry, although some authorities believe that he is perhaps overrated because of his vacillations between mysticism and science.» <em>(Heirs of Hippocrates</em> 408). Fu, inoltre, «[...] the first to realize the physiological importance of ferments and gases, and indeed invented the word "gas". He introduced the gravimetric idea in the analysis of urine.» (<span style="font-variant: small-caps;">Garrison-Morton</span> 665); Wellcome III, 241.</p>