sentences:  Thomas Erastus, Andreas Libavius and other anti-Paracelsianists however served to minimize Severinus’ legacy.Libavious in particular attacked the occult sciences of any variety but crusaded especially against Paracelsus and any writings that supported him, including Severinus.On the other hand, "Idæ medicinæ"’s impact on English natural philosophers can be discerned in the writings of Thomas Moffett (1553-1604), and Francis Bacon (1561-1626) who on the one hand vilified Paracelsus but admired the important synthesis contributed by Petrus Severinus.