Rafael Bombelli – mathematician

First person to explain algebra in simple language

The front cover of the 1579 edition of
Bombelli's text, published in Bologna

Rafael Bombelli, the mathematician regarded as the inventor of complex numbers, was baptised and was also probably born on this day in 1526 near Bologna.

He wrote a book about algebra in simple language that could be understood by everyone, giving a comprehensive account of what was known about the subject at the time. The first three volumes, published in 1572, were the first European texts to explain how to perform computations with negative numbers.

Rafael Bombelli was the eldest son of Antonio Mazzoli, a wool merchant, who had changed his name to Bombelli to disassociate himself from the reputation of his family. His grandfather had taken part in a failed attempt to seize Bologna on behalf of the Bentivoglio family but had been caught and executed. Antonio Mazzoli was able to return to Bologna only after changing his name to Bombelli.

It is thought that Rafael Bombelli did not attend university but was taught by an engineer-architect named Pier Francesco Clementi.

He followed Clementi into the profession and acquired a patron, Alessandro Rufini. His patron was given the right to reclaim marsh land in the Val di Chiana by the Pope and Bombelli worked on this project until 1555 when there was an interruption to the reclamation work.

Bombelli wrote his algebra book while staying in
his patron's villa in Frascati, outside Rome

While he was waiting for the project to start again he decided to write an algebra book, while living in the comfortable surroundings of his patron’s villa just outside Rome in Frascati.

He felt that the reason for arguments between mathematicians was the lack of a careful exposition of the subject. The only books about algebra were not accessible to people without a thorough grasp of mathematics and he deliberately used simple language to make the book available to people who had not received higher education.

He died in Rome in 1572, soon after the first three volumes of the book were published. The unfinished manuscript of the other two volumes was discovered in a library in Bologna in 1923 and published in 1929.

Despite the delay in publication, Bombelli’s Algebra was a very influential work and was praised by later mathematicians because his analysis of the subject showed him to be far ahead of his time.

A crater on the moon has been named the Bombelli crater in honour of him.

The church of Santa Maria Assunta in Borgo Panigale

Travel tip:

Bombelli’s family lived in Borgo Panigale, a small town to the north of Bologna, which was annexed to the city by the Fascist government in 1937. It is now home to Bologna’s Guglielmo Marconi airport and the motorbike manufacturer Ducati. The Bologna artist Elisabetta Sirani painted an altarpiece for the parish church of Borgo Panigale. It is thought the name stems in part from the land around the site of the town, which was formerly used for the cultivation of the foxtail millet cereal called panìco in Italian.

The facade of the Villa Falconieri in
Frascati, where Bombelli stayed

Travel tip:

The Villa Falconieri in Frascati, to the south of Rome, was originally called Villa Rufina, having been built for Alessandro Rufini in 1546. It was while staying in this villa that Bombelli wrote his famous work on Algebra, which he dedicated to his patron, Rufini. The villa, which was renovated by the leading Roman Baroque architect Francesco Borromini after it was sold in 1628, houses many beautiful frescoes and is surrounded by splendid Italian gardens with a small lake bordered by cypresses. Now the headquarters of the Vivarium Novum Latin and Humanities Academy, it is open to the public from 10am to 1pm each Sunday.

More reading:

The mathematician who turned down Peter the Great of Russia

The maths professor who won the equivalent of a Nobel Prize at just 34

The mathematician and scientist who discovered the secret of embalming

Also on this day:

1920: The birth of filmmaker Federico Fellini

1950: The birth of former Vogue editor Franca Sozzani

1987: The birth of motorcycle racer Marco Simoncelli


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Domenichino - Baroque master

Artist whose talents rivalled Raphael

Domenichino's picture St John the Evangelist
sold for £9.2 million in 2009

The painter Domenico Zampieri, in his era spoken of in the same breath as Raphael, was born on this day in 1581 in Bologna.

Better known as Domenichino (“Little Domenico”), the nickname he picked up early in his career on account of his small stature, he painted in classical and later Baroque styles in Rome, Bologna and Naples.

Noted for the subtle, almost serene lighting and understated colours of his compositions, he painted portraits, landscapes, religious and mythological scenes and had a prolific output. Among his most notable works were significant frescoes commissioned by Cardinal Alessandro Farnese for the Badia (monastery) at Grottaferrata, outside Rome, and for Cardinal Pietro Aldobrandini at the Villa Belvedere (also known as the Villa Aldobrandini) in nearby Frascati, as well as Scenes from the Life of Saint Cecilia at the church of San Luigi dei Francesi, not far from Piazza Navona, in Rome itself.

Domenichino’s paintings can be seen in art galleries in many countries, with the largest single collection held by the Louvre in Paris.

One of his most celebrated paintings, the depiction of St John the Evangelist that he worked on between 1621 and 1629 and which has been described as a “masterpiece epitomising the grandeur and nobility of Roman Baroque", sold for £9.2 million at auction in London in December 2009 only to be the subject of an intervention by the British government to keep it from leaving the United Kingdom.

Domenichino's talent put him not far behind
Raphael among the Italian greats

The painting had been on a wall at the Glyndebourne Opera House in Sussex for more than 100 years, having been bought by the owners of the house for 70 guineas in 1899. Put up for sale at Christie’s it was bound for the United States before the culture minister, Margaret Hodge, imposed an export bar. It was sold eventually to a British buyer on condition that it was on public display for at least three months each year.

The son of a shoemaker, Domenichino studied in Bologna, first in a local studio and then joining Lodovico Carracci’s Accademia degli Incamminati.

He left Bologna for Rome in 1602 to work under Annibale Carracci and became one of the most talented apprentices to emerge from Carracci's supervision.

Following Annibale Carracci's death in 1609, his Bolognese pupils, the best of whom were Domenichino, Francesco Albani, Guido Reni and Giovanni Lanfranco, became the leading painters in Rome, upstaging even the followers of Caravaggio, who had left Rome in 1606.

Domenichino's masterpiece, his frescoes of Scenes of the Life of Saint Cecilia in the Polet Chapel of San Luigi dei Francesi, was commissioned in 1612 and completed in 1615.

At the same time he was painting his most celebrated altarpiece, The Last Communion of Saint Jerome, for the church of San Girolamo della Carità, noted for the accuracy of facial expressions, which would subsequently be compared with Raphael's great Transfiguration and was at one time hailed as "the best picture in the world".

Domenichino's River Landscape with Boatmen and Fishermen
demonstrates qualities that influenced many landscape painters 

He would later move away from the rigid classicism of his early work towards a broader, less conventional Baroque style, evident in the last works he produced in Rome and in his fresco cycle, Scenes from the Life of San Gennaro (1631–41), which he painted for the Cappella del Tesoro di San Gennaro, in the Duomo in Naples.

Throughout the 17th and 18th centuries Domenichino’s paintings were regarded as second only to those of Raphael.

His work fell from favour in the mid-19th century but his importance to the evolution of Baroque classicism was recognized again in the 20th century.

Domenichino also occupies an important place in the history of landscape painting, his work known to have had a deep influence on the classical landscapists Nicolas Poussin and Claude Lorrain.  In 1996 the first major exhibition of his work was held at the Palazzo Venezia in Rome.

He died in Naples in 1641 while still working at the Duomo. There were suspicions he had been poisoned by the Spanish painter Jusepe di Ribera, the leading member of a group of three artists known as the Naples Cabal, furious to have been passed over for the Cappella del Tesoro di San Gennaro commission in favour of an outsider.

Part of the Domenichino fresco
cycle at San Luigi dei Francesi

Travel tip:

The Baroque church of San Luigi dei Francesi can be found in Via della Dogana Vecchia, a couple of blocks to the east of Piazza Navona in the heart of Rome’s historic centre. Built in the 16th century to serve the French community in Rome, it is notable not only for Domenichini’s fresco Scenes from the Life of Saint Cecilia but for the cycle of paintings by Caravaggio about the life of St. Matthew in the Contarelli Chapel.

The Cattedrale di San Gennaro, as the Naples Duomo is
more frequently known

Travel tip:

The Duomo of Naples, known locally more often as the Cattedrale di San Gennaro, was completed in the 14^th century after being commissioned by King Charles I of Anjou, the youngest son of Louis VIII of France. Nowadays the seat of the Archbishop of Naples, it is most famous for housing a vial supposedly containing the dried blood of San Gennaro, the city’s patron saint.  The blood is put on public display twice a year, in May and September, when it usually is seen miraculously to liquefy. If the blood fails to liquefy on these days, legend has it that a disaster will befall Naples. Many have doubted the authenticity of the blood and the miracle.  A recent hypothesis is that it actually contains iron oxide (rust) in the form of a thixotropic gel that has the colour of old blood and would become less viscous if shaken or otherwise agitated, and therefore appear to liquefy.

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The first free public school in Europe

Frascati sees groundbreaking development in education

José de Calasanz arrived in Rome from
his native Aragon in 1592

The first free public school in Europe opened its doors to children on this day in 1616 in Frascati, a town in Lazio just a few kilometres from Rome.

The school was founded by a Spanish Catholic priest, José de Calasanz, who was originally from Aragon but who moved to Rome in 1592 at the age of 35.

Calasanz had a passion for education and in particular made it his life’s work to set up schools for children who did not have the benefit of coming from wealthy families.

Previously, schools existed only for the children of noble families or for those studying for the priesthood. Calasanz established Pious Schools and a religious order responsible for running them, who became known as the Piarists.

Calasanz had been a priest for 10 years when he decided to go to Rome in the hope of furthering his ecclesiastical career.  He soon became involved with helping neglected and homeless children via the Confraternity of Christian Doctrine.

He would gather up poor children on the streets and take them to schools, only to find that the teachers, who were not well paid, would not accept them unless Calasanz provided them with extra money.

Calasanz, who was a well-educated man, responded by setting up the first Pious School in the centre of Rome in 1600, so that homeless, orphaned and neglected children had somewhere to go and could be provided with a basic education.

Wolfgang Amadeus Mozart owed his early
education to a Pious School

An annual contribution from Pope Clement VIII helped fund the project, which grew so quickly that it was not long before Calasanz was helping around 1,000 of Rome’s most deprived children.

He rented a house nears the church of Sant'Andrea della Valle in central Rome, where he founded the Order of the Pious Schools or Piarists. He wrote a document setting out the principles of his educational philosophy, with regulations for teachers and for students.

The Frascati school differed from others he had set up in that it was open to all children, not only those he rescued from poverty on the streets.  It was also open to children who were not orphaned or neglected, but who came from poor families and would not otherwise have had the chance to receive a formal education.

It is therefore recognised as the first free public primary school in Europe.

The Piarists spread the concept of free primary education and as well as setting up many more schools across Europe encouraged many states to follow their lead.

Francisco Goya, Wolfgang Amadeus Mozart, Franz Schubert, Gregor Mendel and Victor Hugo all owed their early education to Piarist Schools.

The church of San Giuseppe Calasanzio in Milan

Calasanz died in 1648 at the age of 90, his legacy tarnished, unfortunately, by clashes with powerful senior figures in the Catholic Church over his support for the heliocentric theories that landed Galileo Galilei in trouble, and also over the behaviour of some clerics involved in the Piarist Schools.  As a result, Calasanz was removed as senior general of the Order.

However, eight years after his death, Pope Alexander VII cleared his name and that of the Pious Schools.  In 1748 he was beatified by Pope Benedict XIV and canonised by Pope Clement XIII in 1767.

In 1948, Pope Pius XII declared Saint Joseph of Calasanz the patron of Christian popular schools.

A number of churches have been dedicated to Saint Joseph, including the modern Chiesa di San Giuseppe Calasanzio in via Don Carlo Gnocchi, in the San Siro district of Milan, which was designed by the architect Carlo Bevilacqua and completed in 1965.

The Villa Aldobrandi in Frascati

Travel tip:

Situated just 21km (13 miles) from the centre of Rome, Frascati offers visitors to the region an alternative to staying in the capital that is more peaceful and relaxed.  One of the towns that make up the Castelli Romani, it is perched on a hill to the southeast of Rome, offering fine views across the city as well as cleaner air. It was popular with the wealthy from Roman times to the Renaissance, and remains a draw for Romans today, although thankfully with bars and restaurants to suit all pockets.  In its heyday there were many grand villas and it was unfortunate that the town’s strategic position made it a target for bombing during the Second World War, with many buildings destroyed. The Villa Aldobrandi, which overlooks one of the main piazzas, is one that remains, with extensive gardens open to the public.

The Basilica of Sant'Andrea della Valle

Travel tip:

The Basilica of Sant’Andrea della Valle, situated in the heart of historic Rome where Corso del Rinascimento meets Corso Vittorio Emanuele II, is as famous for having been an important setting in the Puccini opera Tosca as it is for its baroque art and architecture. The first act is set inside the 17th-century baroque church, whose dome is the third largest in the city after the Pantheon and St. Peter's. Like the façade, the dome was designed by Carlo Maderno.  The humanist popes from Siena, Pius II and Pius III, are both buried inside.

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Charles Emmanuel IV – King of Sardinia

Monarch who was descended from Charles I of England

Court painter Domenico Duprà's portrait of
Charles Emmanuel IV

Charles Emmanuel IV, who was King of Sardinia from 1796 until he abdicated in 1802 and might once have had a claim to the throne of England, was born on this day in 1751 in Turin.

Born Carlo Emanuele Ferdinando Maria di Savoia, he was the eldest son of Victor Amadeus III, King of Sardinia, and of his wife Infanta Maria Antonia Ferdinanda of Spain. From his birth he was known as the Prince of Piedmont.

In 1775, he married Marie Clotilde of France, the daughter of Louis, Dauphin of France, and Princess Marie-Josèphe of Saxony, and sister of King Louis XVI of France.

Although it was essentially a political marriage over which they had little choice, the couple became devoted to one another.

With the death of his father in October 1796, Charles Emmanuel inherited the throne of Sardinia, a kingdom that included not only the island of Sardinia, but also the whole of Piedmont and other parts of north-west Italy.

He took on a difficult political situation along with the throne, only months after his father had signed the disadvantageous Treaty of Paris with the French Republic following the four-year War of the First Coalition, in which Napoleon’s army prevailed. The treaty ceded the Duchy of Savoy and the County of Nice and gave the French army free passage through Piedmont to attack other parts of Italy.

The death of his wife Marie Clothilde was
trigger for Charles Emmanuel's abdication

In December 1798, the French under General Barthèlemy Joubert occupied Turin and forced Charles Emmanuel to surrender all his territories on the Italian mainland and to withdraw to Sardinia.

After an unsuccessful attempt to regain Piedmont the following year, he and his wife went to live in Rome and in Naples as guests of the wealthy Colonna family.

It was the death in 1802 of Marie Clothilde that changed things for Charles Emmanuel, who was so grief-stricken he decided to abdicate in favour of his brother Victor Emmanuel. They had no children.

He retained the title of King but stepped away from responsibility and spent his life in Rome and in the nearby town of Frascati.

In Frascati he was a frequent guest of his cousin, Henry Benedict Stuart, Cardinal Duke of York and the last member of the Royal House of Stuart.

Charles was actually descended from Henrietta Anne Stuart, the youngest daughter of King Charles I of England and Scotland, whereas Henry Benedict Stuart was descended from James II, who was the second son of Charles I.

When Henry died in 1807, Charles Emmanuel became the senior heir-general of Charles I, although there is no evidence that he attempted to make a public claim to the title of King of England or Scotland.

The Palazzo Colonna in Rome, where Charles Emmanuel died

In fact, he appeared to have little interest in power. In 1815 at the age of 64, he took simple vows in the Society of Jesus (the Jesuits). Although he was never ordained to the priesthood, he spent much of the rest of his life at the Jesuit novitiate in Rome.

He died at the Palazzo Colonna in Rome in October 1819 and is buried in the Church of Sant'Andrea al Quirinale.

Travel tip:

Sardinia is a large island off the coast of Italy in the Mediterranean Sea. It has sandy beaches and a mountainous landscape. The southern city of Cagliari, from where Charles’s successor, Victor Emmanuel I, ruled, has a modern industrial area but also a medieval quarter called Castello, which has narrow streets, fine palaces and a 13th century Cathedral and is a fascinating part of the city to explore.

The Cattedrale di San Pietro Apostolo in Frascati

Travel tip:

Frascati, an ancient city 20km (miles) south-east of Rome in the Alban Hills, is notable for the Cattedrale di San Pietro Apostolo, which contains the tombstone of Charles Edward Stuart – Henry Benedict’s brother – who was also known as Bonnie Prince Charlie or the Young Pretender. Although his body was moved to St Peter’s in Rome, to be laid to rest with his mother and father, his heart was left in Frascati in a small urn under the floor below his monument.

More reading:

Victor Emmanuel I - the King who created the Carabinieri

Why Royal exile Bonnie Prince Charlie's heart lies in Frascati

Why Italy's first King was called Victor Emmanuel II

Also on this day:

1671: The birth of Gian Gastone dè Medici – the last Medici to rule Florence

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Charles Edward Stuart – royal exile

Bonnie Prince Charlie’s heart will forever be in Frascati 

A portrait of Charles Edward Stuart - Bonnie
Prince Charlie - painted by Allan Ramsey in 1745

The Young Pretender to the British throne, sometimes known as Bonnie Prince Charlie, died on this day in 1788 in Rome. 

The man who would have been King Charles III was born and brought up in Italy where his father, James, the son of the exiled Stuart King James II, had been given a residence by Pope Clement XI.

Charles Edward Stuart was raised as a Catholic and taught to believe he was a legitimate heir to the British throne.

In 1745 Charles sailed to Scotland hoping to gather an army to help him place his father back on the thrones of England and Scotland. 

He defeated a Government army at the Battle of Prestonpans and marched south. He had got as far as Derbyshire when the decision was made by his troops to return to Scotland because of the lack of English support for their cause.

They were pursued by King George II’s son, the Duke of Cumberland, who led troops against them at the Battle of Culloden in 1746. Many of his soldiers were shot and killed and the surviving Jacobites fled. They were pursued by Cumberland ’s men, who committed atrocities against them when they were caught. 

Charles had to hide out in the Scottish moors until he could get away by boat to France, as commemorated in the Skye Boat Song.

Bonnie Prince Charlie died in Rome at the age of 67 after suffering a stroke. He was initially buried in the cathedral in Frascati, where his brother Henry Benedict Stuart was the Bishop. 

When Henry died in 1807, the remains of Bonnie Prince Charlie were moved to the crypt of St Peter’s in Rome, where they were laid to rest with his father and brother.

The Cattedrale San Pietro in Frascati, which
houses the tombstone of Charles Edward Stuart

Travel tip:

Frascati is an ancient city 20 kilometres south east of Rome in the Alban Hills. Inside the main church, Cattedrale San Pietro, is the tombstone of Charles Edward Stuart, also known as Bonnie Prince Charlie or the Young Pretender. When his body was moved to St Peter’s, his heart was left in Frascati in a small urn under the floor below his monument. Among the art works in the church is a Madonna attributed to Domenichino.


Travel tip:

Bonnie Prince Charlie was born and died in Palazzo Muti in Rome, an ochre-coloured building in Piazza dei Santi Apostoli, which became the official Stuart court in exile. This residence had been given to them by the Pope, who recognised them as the rightful kings of Great Britain and Ireland.


More reading:

The founding of the Papal Swiss Guard

Europe's first free public school opens in Frascati

How Domenichino rivalled Raphael

Also on this day:

1888: The death of the saint, Don Bosco

1933: The birth of Mafia boss Bernardo Provenzano




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