Ristoro or Restoro d'Arezzo was an Italian monk and scientist of the Middle Ages, author of an important prose treatise in the vernacular, La composizione del mondo colle sue cascioni.[1] The Italian scholar Enrico Narducci calls him the 'Humboldt' of the thirteenth century.[2]

Life and works

"Libellus des Sphaera" of Johannes of Sacrobbosco. Printed in Wittenberg 1542.

Restoro was born in Arezzo, Tuscany, at an unknown date in the first decades of the thirteenth century.[3] Very little is known about his life. He himself states that he wrote his book in a convent at Arezzo;[4] that he was an artist and a painter of miniatures, and that he lived in the second half of the thirteenth century. In 1282 he completed an elaborate treatise on cosmography, Della composizione del mondo colle sue cascioni [The composition of the world with its causes].[5] It was the first scientific treatise to be written in an Italian vernacular (Arezzo dialect).[6] Ristoro gives an exhaustive account of the Aristotelian science that was taught in the Universities at that time.[7] He deals with Astronomy and Astrology (which are one-and-the-same for Restoro, as indeed they were for most people at that time), Meteorology, Geography and Natural History (together with numerous observations in merit which derive from the areas around Arezzo and Siena), drawing widely on Aristotle and Ptolemy, on Arab texts and Medieval authors, including for example Albertus Magnus and Johannes de Sacrobosco. Restoro discusses also the structure of the world and develops some sound geological theories despite his strong leanings toward astrology. Writing on the origin of mountains, for example, while he attributed the elevation of dry land above the sea to attraction by the stars, he also recognised other influences, such as water erosion, sea waves throwing up sand and gravel, subsequent floods depositing sediment, earthquakes, calcareous deposits from certain waters, and the activities of man. Following the view of Empedocles, he maintained that the Earth had a molten centre and that volcanoes erupted through the rise of molten rock to the surface.[8] Skilled in drawing and painting, Ristoro displayed a keen interest in ancient arts and culture; he dedicated a chapter of his massive work to ancient Etruscan and Roman ware discovered in his native city, showing refined appreciation of their depiction of the natural world at a time when others did not value archaeological remains.[9]

Restoro's knowledge derived in part from Latin translations of Arabic writings of the first half of the ninth century. He used Al-Farghani and Sahl ibn Bishr, probably also Abu Ma'shar al-Balkhi and Artephius. He also knew well Aristotle's De coelo et mundo and De meteoris and Isidore of Seville's Etymologiae.[10] He may have had some slight contact with Avicenna's Qānūn, and with Averroes' commentary on Aristotelian meteorology.[5] Ristoro recommended avoidance of resorting to miracles in explaining natural phenomena, echoing both William of Conches and Albertus Magnus.[11]

The greater part of Restoro's work is the result of his own scientific observations. These observations, well calculated and analysed in a pure and elaborated style, make the book much superior to all the other scientific treatises of the thirteenth century.[12] His fine description of the total eclipse of the Sun on 3 June 1239 is one of the most detailed and precise accounts of a solar eclipse before the eighteenth century.[13][14]

Restoro's Treatise remained unpublished until the nineteenth century. We know, however, that Leon Battista Alberti and Leonardo da Vinci were familiar with Ristoro's work.[15] Dante's acquaintance with Restoro has not been definitely proved, but is regarded by competent authorities as highly probable.[16][17] Paul of Venice's De compositione mundi is mostly an abridged translation into Latin of Restoro's Treatise.[18]

References

  • Restoro d'Arezzo. Narducci, Enrico (ed.). Della composizione del mondo, testo italiano del 1282. Rome, 1859; Milan, 1864.
  • Amalfi, Gaetano, ed. (1888). Il primo libro della Composizione del mondo di Ristoro d'Arezzo. Naples: G.M. Priore.
  • Restoro d'Arezzo (2006). Morino, Alberto (ed.). La composizione del mondo. Lavis: La Finestra editrice.

Notes

  1. ↑ Usher 2002.
  2. ↑ Restoro d'Arezzo (1864). Narducci, Enrico (ed.). Della composizione del mondo, testo italiano del 1282. Milan: G. Daelli. p. VI.
  3. ↑ Gregori & Gregori 1997, p. 348.
  4. ↑ e stando noi nella città d'Arezzo, nella quale noi fummo nato et nella quale noi facemmo questo libro nel convento nostro.
  5. 1 2 Sarton, George (1927). Introduction to the History of Science. Vol. 2. Carnegie Institution of Washington. p. 928.
  6. ↑ Dal Prete, Ivano (2022). On the Edge of Eternity: The Antiquity of the Earth in Medieval and Early Modern Europe. Oxford University Press. p. 69.
  7. ↑ Gregori & Gregori 1997, p. 315.
  8. ↑ Rickard, David (2015). Pyrite. A Natural History of Fool's Gold. Oxford University Press. p. 128. ISBN 9780190203689.
  9. ↑ Pesic 2005, p. 26.
  10. ↑ Bertoni, Giulio (1960). Il Duecento. Francesco Vallardi. p. 391.
  11. ↑ Scott, Giulio; Alderton, David (2020). Encyclopedia of Geology. Elsevier Science. p. 8. ISBN 9780081029091.
  12. ↑ Grillo, Ernesto, ed. (1920). Early Italian Literature. Vol. 2. London: Blackie and Son. p. xxxv.
  13. ↑ Stephenson 1984, p. 27.
  14. ↑ Pesic 2005, p. 27.
  15. ↑ Lützelschwab, Ralf (2020). "Ristoro d'Arezzo". Medieval Studies. doi:10.1093/obo/9780195396584-0278. ISBN 978-0-19-539658-4.
  16. ↑ Eastman 1907, p. 87.
  17. ↑ Grandgent, Charles Hall; Singleton, Charles S., eds. (1975). Companion to the Divine Comedy. Harvard University Press. p. 12.
  18. ↑ Duhem, Pierre. Le Système du monde...: IV, 209-210; Duhem, Pierre. Ètudes sur Lèonard de Vinci: Ceux qu’il a lus et ceux que l’ont lu. Paris: Éditions des archives contemporaines, 1984: I, 325.

Bibliography

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