THE BRITISH LIBRARY

Medieval manuscripts blog

19 July 2014

The Colourful Career of Sir Theodore de Mayerne

It is a curious fact that at present the Mayerne manuscript (Sloane MS 2052) is probably physically closer to its author than at any time since his death.  Visitors to the National Gallery exhibition Making Colour will be able to see this fascinating compilation of writings and observations on painting and the technology and chemistry of art by Sir Theodore de Mayerne (b. 1573, d. 1655) – and, if they choose to stroll across Trafalgar Square, a monument to the man himself in the church where he was buried, St Martin-in-the-Fields.  This is the latest in a series of exhibition loans this year that has seen British Library manuscripts travelling near and far to exhibitions at the British Museum here in London, the National Library of Australia in Canberra, and the Museum Kunstpalast in Düsseldorf.  It is also the most recent addition to Digitised Manuscripts.

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The hand-written title page of the Mayerne manuscript, 'Pictoria, sculptoria et quae subalternarum artium', England (London), 1620-1646, Sloane MS 2052, f. 2r
 

Physician to French and English royalty, English and foreign ambassadors and reputedly the most expensive doctor in London, as well as author of a travel guide and a contributor to the first authorised pharmacopeia of the Royal College of Physicians, compiler of a cookery book, diplomatic agent and experimental chemist – Sir Theodore de Mayerne led a varied, distinguished life.  He was born on 28th September 1573 in Geneva to Huguenot parents.  A student of the universities of Heidelberg and Montpellier, Mayerne embarked on a medical career in Paris at the close of the sixteenth century, treating members of the French royal family.  In 1605, he experienced a stroke of good fortune: succeeding where other physicians had failed, he cured Lord Norreys of Rycote (a young kinsman of Robert Cecil, earl of Salisbury), who had fallen victim to an epidemic in the city.  With a visit to England in the spring of 1606, this medical success laid the foundations for his emigration to England five years later: he secured the post of chief physician to James I, just as the religious atmosphere at the French court began to sour.  

image from http://s3.amazonaws.com/hires.aviary.com/k/mr6i2hifk4wxt1dp/14071811/a0bde7cd-8362-4f14-98f5-2273261d113b.png
Portrait of Sir Theodore de Mayerne by Peter Paul Rubens, in oil and black chalk with grey wash, c. 1630,
British Museum PD 1860-6-16-36. © Trustees of the British Museum. 

Mayerne spent the next forty-four years in England, though he travelled regularly to the continent and in 1620 purchased the estate of Aubonne, not far from Geneva.  Contemporaries remarked upon, and several likenesses bear witness to, Mayerne’s corpulence.  Accounts relate that he did not eat regular meals, but preferred to graze whenever he fancied at a table that was kept well-stocked for this purpose.  He died at his home in Chelsea aged eighty-two on 22nd March 1655, apparently as a consequence of drinking bad wine. 

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Monument to Sir Theodore de Mayerne, St Martin-in-the-Fields, c. 1655
 

For all his considerable medical achievements, Mayerne is remembered today principally for his chemistry experiments and observations.  Although they had a better reception in England, Mayerne’s chemical remedies were frowned upon by the Parisian medical establishment and his approach was, by the standards of the day, rather unorthodox.  

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Mayerne’s notes on the mixing of colours, taken from Peter Paul Rubens while sitting for his portrait, Sloane MS 2052, f. 150r
 

It was this preoccupation that led him to make extensive notes over a quarter of a century upon artistic techniques and the preparation of pigments and oils, many gleaned first-hand from leading artists, artisans and craftsmen of the day.  The notes shown above were taken down by Mayerne almost certainly while he sat for his portrait with Peter Paul Rubens. 

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Mayerne’s notes on oil, taken from Anthony van Dyck, Sloane MS 2052, f. 153r
 

These notes on oil are from an interview with Anthony van Dyck – whom Mayerne describes as a ‘Peintre tres excellent’ – on 30th December 1632. 

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Watercolour sketch of a priming knife, Sloane MS 2052, f. 5r
 

Every stage of the painting process was of interest to Mayerne, even the preparation of the canvas: the above illustration showing the shape of the knife used for this purpose, with a marginal note that such blades were a foot long.  Elsewhere, he recorded van Dyck’s experiments with different undercoats: fish glue caused the paint to flake off and ruined the colours; amber varnish thickened the paint too much; and bismuth white with oil was suitable only for illuminating (f. 10v). 

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Sketch of an artist’s palette and the location of colours, Sloane MS 2052, f. 90v
 

The manuscript contains extensive notes on the preparation of a wide range of colours, taken from a variety of sources – orpiment (a type of yellow), as described by Mr Janson, ‘bon Peintre’ (f. 152r); white oils, from Mr Feltz (f. 142v); white, black, yellow, green and azure from John Hoskins, ‘excellent peintre inlumineur’ (f. 29r); cyan (f. 23v), red (f. 62r), purple (f. 65v), azure (f. 68r), and many others – as well as pen sketches of palettes.

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Mayerne’s experiments with pigments, Sloane MS 2052, f. 80v
 

Most striking are a few leaves in the middle of the manuscript that are filled with neat circles of colour.  Resembling modern-day swatches, these leaves record Mayerne’s testing of the preparation of different pigments: in particular, what formulations best preserved the colour and did not crack as they dried. 

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Mayerne’s experiments with pigments, Sloane MS 2052, f. 81v
 

The Mayerne manuscript is an outstanding witness to the diverse intellectual pursuits of a remarkable individual at the heart of court life in Jacobean and Caroline England.  It is an invaluable record of the seventeenth-century ‘medical arts’: the application of scientific methodologies to the study of artistic techniques, and the contribution that painting could make to the development of chemical knowledge.  For Mayerne, there were no ‘two cultures’: he used a broad palette, drawing on science and art, individually and in combination, to make discoveries of benefit to both.  It is an approach that we in the twenty-first century would do well to imitate. 

Making Colour is at the National Gallery, Sainsbury Wing, until 7th September 2014.

- James Freeman

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