900 – 1200
- Avicenna [985-1037]
- Alberto Magno [1193-1280]
- Tommaso d’Aquino [1225-1274]
- Arnaldo da Villanova [12-?-1310?]
1300 – 1400
- Nicolas Flamel [1330-1418]
- Basilio Valentino [probabile 15° secolo]
- Paracelso [1493-1541]
- Giorgio Agricola [1494-1555]
1500
- Geronimo Cardano [1501-1576]
- John Dee [1527-1608]
- Valentin Weigel [1533-1588]
- Edward Kelley [1555-1595]
- Heinrich Khunrath [1560-1605]
- Johannes Theodorus de Bry [1561-1623]
- Michael Sendivogius [1566-1636]
- Michael Maier [1568-1622]
- Jacob Bohme [1575-1624]
- J.B. van Helmont [1577-1644]
- Johan Daniel Mylius [1585-1628]
- Johann Valentin Andreae [1587-1654]
- David de Planis Campy [1589-c.1644]
1600
- F.M. van Helmont [1618-1699]
- Johannes Helvetius [1625-1709]
- Robert Boyle [1626-1691]
- John Mayow [1641-1679]
- Isaac Newton [1642 -1727]
1700 – 1800
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