Vincenzo Viviani – mathematician and scientist

Galileo follower's name lives on as moon crater

Vincenzo Viviani

Forward-thinking scientist Vincenzo Viviani was born on this day in 1622 in Florence.

Viviani worked as an assistant to Galileo Galilei and after his mentor's death continued his experimental work in the field of mathematics and physics. This work was considered so important that Viviani has had a small crater on the moon named after him.

While at school in Florence, Viviani was given a scholarship to buy mathematical books by the Grand Duke Ferdinando II de' Medici. He later became a pupil of Evangelista Torricelli and worked with him on physics and geometry.

By the time he was 17 he was working as an assistant to Galileo Galilei. After Galileo’s death in 1642, Viviani edited the first edition of his teacher’s collected works.

Viviani was appointed to fill Torricelli’s position at the Accademia dell’Arte del Disegno in Florence after his death in 1647.

In 1660 Viviani conducted an experiment with another scientist, Giovanni Borelli, to determine the speed of sound by timing the difference between seeing the flash and hearing the noise of a cannon being fired from a distance.

As his reputation as a mathematician grew, Viviani started to receive job offers from abroad. As a result the Grand Duke offered him a post as court mathematician in order to keep him in Italy.

Viviani had published a book on engineering and had almost completed a major work on the resistance of solids when he died in Florence in 1703 at the age of 81.

The extraordinary façade of Vincenzo Viviani's former home
in Florence, with a bust of Galileo over the entrance
(Photo: Jebulon CC0 1.0)

Travel tip:

Palazzo dei Cartelloni, formerly known as Palazzo Viviani, in Via Sant’Antonino in Florence, has prominent inscriptions on the façade in Latin celebrating and glorifying the life and discoveries of Galileo Galilei. Viviani had these applied to the front of his home as a tribute to his mentor and there is also a bust of Galileo over the entrance. Today the building is owned by an American art institution.

Travel tip:

Galileo’s tomb in the Basilica of Santa Croce in Florence was not erected until 1737 when his remains were finally allowed a Christian burial. With the help of money left by Viviani in his will for a tomb for himself and Galileo, the scientist was reburied below a bust of himself by Giovanni Battista Foggini. Viviani’s own remains were transferred to the grave at the same time, according to his wishes.

Read more:

Galileo Galilei: the founder of modern science

Laura Bassi: physicist who broke new ground for women

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Daniela Riccardi - leading Italian businesswoman

Head of luxury glassware company trained as a ballet dancer

Daniela Riccardi

Born on this day in 1960, Daniela Riccardi in 2013 became chief executive of Baccarat, the luxury glass and crystal manufacturer that originated in the town of the same name in the Lorraine region of France in the 18th century.

Formerly CEO of the Italian clothing company Diesel, she is one of Italy's most successful businesswomen, yet might easily have forged alternative careers as a dancer or a diplomat.

Born in Rome, she began dancing when she was five and studied ballet for 12 years at the National Dance Academy in Rome, with the aim of becoming a professional dancer.

When it became clear that she would not quite be good enough to grace the world's great stages, she remained determined to have a career that would satisfy her desire to experience many countries and cultures and went to Rome University to study political science and international studies, with the aim of working in diplomacy.

However, during a postgraduate year at Yale University in the United States, she spent a brief period as an intern at Pepsi, where she was so impressed by the energy and leadership of the company's management she realised that this was the career she really wanted.

Back in Italy, she applied to number of multinational companies and was hired by Procter & Gamble, where she stayed for 25 years.  She worked in senior management positions in Europe, South America, Russia and Asia, eventually becoming president of P&G Greater China.  The Financial Times named her as one of the top 50 emerging female managers in the world.

Palazzo della Sapienza, near Piazza Navona,
used to be the home of Rome University

Riccardi left Procter & Gamble in 2010 after turning 50, deciding it was an appropriate moment to make a change.  She considered returning to ballet and putting her money into an international dance academy, or perhaps running an institution such as the New York City Ballet.

Then came an invitation to become CEO at Diesel, the company based just outside Vicenza that founder and president Renzo Rosso began by stitching jeans on his mother's sewing machine. She remained there for three years until the appeal of taking an historic brand and equipping it to survive in the modern world attracted her to Baccarat.

The company, with its headquarters now in Paris, has a 250-year history.  Its products are unashamedly at the luxury end of the market and the precision of the craftsmanship that goes into each piece appealed to Riccardi's tastes.  Her father was a jeweller in Rome and she developed an eye for quality at a young age.

She retains a love of dance, giving private lessons in her spare time, often to employees of the company.

Fluent in French, Spanish and English as well as Italian, Riccardi is married to Juan Pablo, a Colombian she met in Brussels. They have two children, Matteo and Cecilia, and share five homes - apartments in Florida, New York and Rome, a farmhouse in Colombia and a house they are renovating on the island of Ischia in the Bay of Naples.

UPDATE: In 2020, Riccardi became chief executive of Moleskine, the Italian company that specialises in high-end stationery products and travel accessories. 

Travel tip:

Rome University, often known simply as La Sapienza - the wisdom - is one of the oldest in the world, its origins traceable to 1303, when it was opened by Pope Boniface VIII as the first pontifical university.  It was intended to be a place of ecclesiastical studies, a status it retained until 1870, when it broadened its outlook and was adopted as the university of the Italian capital.  A new campus was built near the Termini railway station in 1935 and now caters for more than 112,000 students. Previously, it had been housed in much smaller buildings close to Piazza Navona in Rome's historic centre.

The Castello Aragonese is one of
Ischia's most popular sights

Travel tip:

Ischia is a volcanic island at the northern end of the Bay of Naples, less well known than its neighbour, Capri, but equally beautiful and with a population of around 60,000.  It is famous for its thermal spas, around which much tourism is based.  Among the most popular attractions is the Castello Aragonese, a castle built on rock near the island in 474 BC, to defend the island against pirates.  On the south side of the island, the long sandy beach of Maronti and the picturesque fishing village of Sant'Angelo are well worth visiting.

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Alcide De Gasperi - prime minister who rebuilt Italy

Christian Democrat founder was jailed by Mussolini

Alcide De Gasperi

Born on this day in 1881, Alcide De Gasperi was the Italian prime minister who founded the Christian Democrat party and led the rebuilding of the country after World War II.

An opponent of Benito Mussolini who survived being locked up by the Fascist dictator, he was the head of eight consecutive governments between 1945 and 1953, a record for longevity in post-War Italian politics.

Although Silvio Berlusconi has spent more time in office - nine years and 53 days compared with De Gasperi's seven years and 238 days - the media tycoon's time in power was fragmented, whereas De Gasperi served continuously until his resignation in 1953.

As prime minister, De Gasperi was largely responsible for Italy's post-War economic salvation and for helping to hold the line between East and West as the Soviet Union established its border on Italy's doorstep.

During his premiership, Italy became a republic, signed a peace treaty with the Allies, joined the North Atlantic Treaty Organization (NATO) and became an ally of the United States, who in turn provided considerable help in reviving the shattered Italian economy.

De Gasperi took advantage of America's nervousness about the rise of the Soviet-funded Italian Communist Party, negotiating a peace treaty much more favourable to Italy than might have been expected and securing immediate financial help towards rebuilding Italy's damaged infrastructure. In return he promised to mobilise opposition to the Communists.

America then supported De Gasperi's Christian Democrats in the crucial 1948 election not only through financial contributions, some above board but others less so, but also through propaganda, with Italian-Americans encouraged to urge their relatives at home to vote against the Communists.

The tomb of Alcide de Gasperi in the
Basilica di San Lorenzo fuori le Mura
(Photo: Panairjdde CC BY-SA 3.0)

De Gasperi is also credited with introducing social reforms to help working Italians enjoy the benefits of better housing, improved pensions and unemployment insurance.  A pro-Europe politician, he saw that Italy became a member of the European Coal and Steel Community (ECSC), which evolved into the European Union (EU).

The Christian Democrat Party was formed after the fall of Benito Mussolini's Fascists, with De Gasperi the driving force.

Born in Pieve Tesino, a town in the South Tyrol area of Trentino-Alto Adige today but then part of the Austria-Hungary, he was a member of the Austrian parliament for six years before his home region became part of Italy under the terms of the settlement following World War I.

Continuing his political career, he was among the founders of the Italian People's Party (PPI) in 1919 and served as a deputy in the Italian parliament between 1921 and 1924, the period that coincided with the rise of Fascism.

At first, De Gasperi was keen for the PPI to be part of Mussolini's first government but this support wavered as the Fascists began to introduce major constitutional changes and attempted to subdue their opponents with violence and intimidation.

When the socialist politician, Giacomo Matteoti, who had spoken out against the violence, was murdered, De Gasperi himself began to campaign against the Fascists.  In 1927 he was arrested and sentenced to four years in jail.

In poor health, he was released after 18 months following an appeal from the Catholic Church.  In serious financial difficulties, he found work as a cataloguer in the Vatican Library and remained there for 14 years.

For most of this time, he kept a low profile, but after Mussolini's grip on power began to loosen, he resumed his political activity by forming another party, Democrazia Christiana, drawing on the ideology of the PPI, and publishing his Ideas for Reconstruction, after which he was appointed the party's first general secretary.

De Gasperi died in 1954, a year after he resigned as prime minister following his party's failure to secure a majority in the 1953 elections and only two months after stepping down as leader.  He had returned to Trentino but political office in Italy at the time did not bring significant financial reward and it is said that he died with not enough money even to pay for a dignified burial.

Fortunately, the Italian government felt his achievements deserved to be recognised with a state funeral.  His remains are buried at the Basilica di San Lorenzo fuori le Mura in Rome.

The Fountain of Neptune in Piazza Duomo in
Trento (Pic: Matteo Ianeselli CC BY-SA 4.0)

Travel tip:

Trentino-Alto Adige is a region bordering Switzerland and Austria that includes part of the Dolomites, a section of the Italian Alps notable for its sawtooth limestone peaks. Trento, the region's capital, has some notable Renaissance palaces and the region as a whole is dotted with medieval castles.

Travel tip:

The Basilica di San Lorenzo fuori le Mura can be found in Piazzale San Lorenzo, close to the University of Rome and accessible by following the Via Tiburtina to the north-west of the main Roma Termini railway station.  There are bus services along the route.  The Basilica suffered bomb damage during World War II and had to be rebuilt.  The original was constructed in the fourth century, was rebuilt 200 years later and added to at various times subsequently.

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Giacomo Casanova – adventurer

Romantic figure escaped from prison in a gondola 

A portrait of Giacomo Girolamo Casanova painted in 1760
 by the German artist Anton Raphael Mengs

Author and adventurer Giacomo Girolamo Casanova was born on this day in 1725 in Venice.

He is so well known for his affairs with women that his surname is now used as an alternative word for ‘womaniser’.

But Casanova’s autobiography, ‘Story of My Life’, has also become regarded as one of the most authentic sources of information about European social life produced during the 18th century.

Casanova was widely travelled, had several different professions and was a prolific writer but he spent a lot of his time having romantic liaisons and gambling.

The Venice into which he was born was the pleasure capital of Europe, a required stop on the Grand Tour for young men coming of age, because of the attractions of the Carnival, the gambling houses and the courtesans.

Casanova graduated from the University of Padua with a degree in law and had a short career as an ecclesiastical lawyer before setting out on his adventures.

He was attractive to women, being tall and dark and wearing his long hair powdered and curled.

At various times he worked as a clergyman, military officer, violinist, businessman and spy. But throughout his life it was a recurring pattern that he embarked on passionate affairs with women, ran out of money and was imprisoned for debt.

Casanova wrote more than 20 novels, plays, and collections of essays and letters but despite his talent he was frequently distracted by his quest for pleasure and never worked for sustained periods at anything.

The Bridge of Sighs links the Doge's
Palace with the prison 

He would go off on his travels abroad and then return to Venice to carry on seducing women, gambling, getting into fights and making enemies.

Eventually he was arrested and imprisoned in a wing of the Doge’s Palace in terrible conditions. According to his memoirs, he hatched a daring escape plan, making a hole in the ceiling of his cell, climbing on to the roof, breaking back into the building through a window and walking out past the guard on the main entrance before making his escape in a gondola across the lagoon.

He fled to Paris, where he started the first state lottery. He was then sent on a spying mission by a Government minister and earned enough money to start his own business. But he became distracted by having affairs with his female employees, lost his money and ended up in prison for debt again.

On his return to Venice after many years he was treated like a celebrity for a while and dined out on the tale of his escape from his prison cell in the Doge’s Palace. But he was soon expelled from the city and had to set off on his travels again.

He spent his final years living in the Castle of Dux in Bohemia as librarian to Count Joseph Karl von Waldstein. There he enjoyed the time to write and produced his memoirs.

Casanova died at the age of 73 in Dux, which is now part of the Czech Republic, but the exact location of his grave is not known.

Travel tip:

Casanova’s cell in the Doge’s Palace was at the top of the building. These cells were referred to as piombi cells because of the piombo (lead) in the roof. He was better off than the prisoners left to fester in the pozzi cells, which were named after wells, because they were all dark dungeons. On a tour of the Doge’s Palace you can cross the Bridge of Sighs to the prison and see the cell from where Casanova planned his audacious escape.

The first gambling house in Venice required players to
wear masks, as depicted in this 18th century painting

Travel tip:

The streets between St Marks’ Square and the Rialto Bridge were Casanova’s stamping ground. Calle Vallaresso next to the Piazza was home to several gambling houses he frequented. Nowadays tourists flock to Harry’s Bar at the end to sample the Bellini cocktail invented by its founder, Giuseppe Cipriani. In the adjacent Calle del Ridotto, the first public gaming house in Europe was allowed to open in 1638 with the proviso that players came wearing a mask.  Casanova wined and dined his conquests at Cantina Do Spade near the Rialto Bridge, even mentioning the traditional Venetian osteria, in Calle delle Do Spade, in his memoirs.

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