Two Photos of Dante’s Death Mask

Dante’s death mask is an impressive object. It is displayed at Palazzo Vecchio in Florence.

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Dante’s Death Mask
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Another view
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Domini Canes or Dominicans

A short entry about the nickname of the Dominicans – “domini canes” (Eng. “hounds of the Lord”)

In the medieval Dominican church Santa Maria Novella in Florence visitors find impressive frescoes. One of them is called (in English) Allegory of the Active and Triumphant Church and of the Dominican order. It was created by the 14th-century  Italian painter Andrea di Bonaiuto da Firenze or Andrea da Firenze. You can see it in the Spanish Chapel  (or, actually, Cappellone degli Spagnoli).

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A part of the fresco Allegory of the Active and Triumphant Church and of the Dominican order (14th century)
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Dominicans (the hounds of the Lord)

A part of this fresco apparently illustrates, among other people, three Dominican saints –  St Peter of Verona, the founder of this Catholic order St Dominic and the famous Doctor of the Church St Thomas Aquinas – and black and white spotted hounds. St Thomas seems to debate and teach non-Christians as well as heretics, while St Dominic preaches to a group of people.

St Peter of Verona appears to order black and white spotted dogs or hounds to fight off wolves. The hounds represent the Dominicans, alluding to their nickname.

Dominicans wear white habits and black cloaks. Thus, they are / were referred to as Blackfriars in England. Because the Dominicans zealously preached, adhered to doctrinal law and acted against heretics, they received the nickname “domini canes” or, in English, “hounds of the Lord or God”. It was a Latin pun on Dominicans (domini means, in English, of the Lord and canes means dogs or hounds).

 

 

 

 

Santa Croce in Florence – A Magnificent Basilica and Resting Place

This short post is about Santa Croce in Florence and the resting place inside the basilica. 

If you visit Florence as a tourist, you need to see the magnificent Basilica di Santa Croce (eng. Basilica of the Holy Cross), the largest Franciscan church in the world. It is located  in the eastern centre of this Renaissance city.

According to legend, Santa Croce was founded by the famous Saint Francis of Assisi  (1181/82-1226) himself. At any rate, the construction of the current building had begun in 1294 or 1295, before it was completed at the end of the 14th century. Eventually, Pope Eugene IV consecrated the church in the 15th century.

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Inside the basilica Santa Croce

You may want to take part in a service. Besides impressive frescoes by Giotto and great art, you will find remarkable tombs because the church is a resting place of notable Italians. There are funerary monuments to the men such as the diplomat, historian and political philosopher Niccolò Machiavelli (1469-1527), the artist Michelangelo (1475-1564) as well as the natural philosopher, astronomer and mathematician Galileo Galilei (1564-1642).

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The tomb of Machiavelli
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The tomb of Michelangelo
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The tomb of Galileo

Note: All photos were taken by me (Nils Zumbansen) in 2018. 

Medieval Italy – The Birthplace of Glasses with an Unknown Creator (Part I)

Eyeglasses have been ranked among the most important inventions in human history. We don’t know exactly who invented spectacles. But, according to surviving historical sources, they first emerged in Italy during the Middle Ages. 

Glasses provide an enormous help for visually impaired people. They serve to correct defective eyesight – whether it is nearsightedness (i.e. myopia), farsightedness (i.e. hyperopia) or other vision disorders such as the aging eye condition (i.e. presbyopia).

Prototypically, these devices consist of a pair of glass or hard plastic lenses that are set in a frame. Through a bridge in addition to a nose pad as well as two arms the lenses are held in front of the eyes and the glasses rest on the nose and ears.

As far as the lenses are concerned, we usually distinguish between convex and concave lenses. The former bulge at the centre but are thinner around the edges, whereas the latter are, conversely, thinner in the middle and thicker at the edges. Furthermore, when light rays pass through these different types of lenses, in the convex lens the rays are converged at a focal point. By contrast, the concave lens diverges the beams.

Convex lenses help to treat farsightedness, while concave lenses are used in the treatment of nearsightedness. Alongside, for example, bifocal or multifocal lenses, which have two or more lens powers, convex lenses also (used to) correct presbyopia that occurs with aging eyes. In any case, Glasses enable people with visual impairment and the elderly whose eyesight deteriorates to (continue to) read and see properly.

Against this backdrop, it is unsurprising why academics have regarded eyeglasses as one of the most notable inventions in the history of mankind. For example, in a poll of more than 80 scholars, which was taken at the end of the 20th century, reading glasses were ranked among the most important inventions of the previous two millennia since they have significantly prolonged the active life of scholars and everybody who reads or is involved in fine and intellectual work.

Judging from surviving historical sources, glasses or spectacles first appeared in medieval Italy, even though the identity of the original inventor isn’t known. During the Middle Ages Catholic churchmen arguably encouraged the replication of eyeglasses and praised the art of spectacle making. This brings us to a sermon that was delivered in the first decade of the 14th century.

A Medieval Friar’s Praise of the art of making eyeglasses – Cues about Their Origin

On 23 February 1306 the Dominican friar Giordano da Pisa – one of the most popular preachers at this time – gave a sermon at the church Santa Maria Novella in Florence. At one point, he referred to the art of making spectacles:

It is not yet twenty years since there was found the art of making eyeglasses, which make for good vision, one of the best arts and most necessary that the world has. And it is so short a time that this new art, never before extant, was discovered. And the lecturer said: I saw the one who first discovered and practiced it, and I talked to him. (English translation taken from Vincent Illardi’s book Renaissance Vision from Spectacles to Telescopes (2007), p. 5).

His sermon contains some noteworthy cues about the origin of the art of spectacle construction, the importance of this art and the unknown inventor.

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This photo was taken by me (Nils Zumbansen) in the church Santa Maria Novella in Florence (2018). My glasses are a bit anachronistic.

What strikes us immediately is the very beginning of the quotation as it indicates when the art of constructing eyeglasses was initially developed – approximately around 1285/6 or in the late 1280s. Roughly speaking, we can infer from archeological findings and historical as well as scholarly sources that spectacles, in fact, seem to have been invented or come into use in the period between the final decades of the 13th century and the early 14th century.

Interestingly enough, by the time Giordano delivered his sermon the production of spectacles was, for instance, well-established in two Italian city-states, Pisa and Venice. Especially the latter, the Republic of Venice, deserves a little closer look. Here the earliest reference to eyeglasses can be found in guild regulations which date from 1300. Consequently, medieval Italy justifiably qualifies as the birthplace of spectacles.

Apart from vaguely pointing to the time of their first appearance, the medieval friar Giordano da Pisa mentioned the positive effect of eyeglasses because of their ability to facilitate good vision. Moreover, he praised the art of spectacle making as one of the very best in the world. But in his sermon we don’t learn about the identity of the original inventor.

Who Was the Original Inventor of Eyeglasses? – An Unsolved and Probably Unsolvable Mystery

Before we turn to the issue of the unknown inventor, it is advisable to take into account  the fact that Giordano’s sermons were collected and recorded by loyal followers. Considering this, the Italian historian Chiara Frugoni asks the question whether the writer – by  adding the remark the lecturer said – meant Giordano, a teacher or theologian in Florence, or another scholar who was present during Giordano’s sermon and announced himself as a witness in this regard.

Whatever the case, instead of naming the inventor, Giordano or the other scholar just claimed to know him and to have talked to him. However, why didn’t the sermon reveal  his identity? We can only speculate.

All in all, the search for his name and identity has been an unsolved mystery and almost probably remains one. Some patriotically minded individuals, in particular during the 17th century, tried to identify the original inventor as an inhabitant of their local city. Despite their attempts, these theories prove to be unreliable and were already refuted.

Sources:

Frugoni, Chiara. Medioevo sul naso. Occhiali, bottoni e altre invenzioni medievali. Rome, Bari: Editori Laterza, 2001.

Ilardi, Vincent. Renaissance Vision from Spectacles to Telescopes. Philadelphia: American Philosophical Society, 2007.

To be continued…The second part will present information about another important person in the history of spectacle making – Friar Alessandro della Spina. Additionally, it’ll be shown how medieval glasses looked like.