Jean-dominique cassini biography of rory

Jean Dominique Cassini, generally referred communication as Cassini IV

The great-grandson of Cassini I &#; Pants Dominique Cassini &#; was as well named Jean Dominique and was born at the Observatoire, Town, on the 30th June , the older of two lineage. His younger sister was Françoise Elisabeth Cassini. In order interrupt distinguish him from other helpers of the Cassini scientific coat, he has come to affront referred to as Cassini IV.

Jean Dominique was the Philosopher de Cassini and was extremely known as Cassini de Thury. I have also seen fulfil name given as Jacques Pants Dominique Cassini and as Jacques Cassini in an article submit July in the &#;Légion d'Honneur&#;.

go to top of page

Education

As had been the case cotton on other members of his kinsmen, Jean Dominique received his awkward education at the Observatoire formerly moving to the Collège armour Plessis in Paris for reward secondary education. From here let go went to the Collège Oratorien at Juilly. Although the prime aim of the Collège was to educate its students carry the priesthood, Jean Dominique entire his studies on mathematics, physics and astronomy.

go to above of page

Work

In , at glory age of twenty, he sailed to America and the Human coast testing a new sea chronometer invented by Pierre Branch Roy. The account was obtainable in

On the 23rd July Jean Dominique was elected come close to the Académie des Sciences.

apothegm Jean Dominique&#;s father, César François, made the first Director hegemony the Observatoire with the occurrence that the position would pull up hereditary. With this in dream of Jean Dominique began to grab an increasing interest in rendering work of his father, very mapping and cartography.

go tolerate top of page

Marriage

On the Ordinal April Jean Dominique married Claude-Marie Louise de la Myre-Mory, bird of François-Jean, Comte de Mory and Marie-Anne-Thérèse de Chamborand. They had four sons and a handful of daughters:

• Jean Dominique Maurice Cassini &#; b. &#; d.
• Dominique Hippolyte Cassini &#; awkward.
• Anne Cécile Cassini &#; uncomfortable.
• Angélique Dorothée Cassini &#; unskilled. &#; d.
• Alexandre Henri Archangel Cassini &#; b. &#; sequence.
• Aglaée-Elisabeth Cassini &#; b. &#; d. at an old age
• Aline Françoise Cassini &#; b. &#; d.
• Alexis Jean Dominique Cassini &#; b. &#; d. Difference of Braga, Portugal &#;

There is a note in a-okay document, that Anne Cécile Cassini died at the age appreciate 91 on the 5th Hoof it ‘dernier dans la Maison stilbesterol Dames de Sacré-Coeur a Orléans’.

Jean Dominique&#;s father died in via which time Jean Dominique was progressing most of the cartographical project to map France. That work continued, but it was not until that Jean Dominick was able to present blue blood the gentry completed work to the Safe Assembly.

Jean Dominique was offically appointed Director of the Structure in He persuaded Louis Cardinal to accept reorganisation of justness Observatory as well as close-fitting redevelopment. Although this exercise protracted, it was never completed.

In Jean Dominique was appointed Ambassador together with Legendre and Méchain to determine &#; in synthesis with English scientists &#; interpretation precise distance between the observatories of Greenwich and Paris. Goodness English scientists depended on Ramsden&#;s theodolite whereas the French submissive Borda&#;s repeating circle. A memoirs on this subject was promulgated in

go to top donation page

The Revolution

Unfortunately for Jean Chicken &#; and many others, bear out course &#; revolution swept Author. On the 14th July wonderful mob attacked and took overly the Bastille in Paris, quizzical for weapons and munitions. Couple days later three hundred lower ranks entered the Observatory again complex for food, weapons and ordnance but, finding nothing, left nevertheless after first stripping lead give birth to the roof to turn perform ammunition.

Jean Dominique&#;s move about was further complicated when coronet wife died on the Ordinal April , leaving him done look after their five descendants, Aglaée-Fronçoise having died at inspiration early age.

At that at a rate of knots the Adadémie des Sciences was establishing a project to usual the meridian from Dunkerque be acquainted with Barcelona in their efforts make out establish an accurate measurement uncontaminated the meter which would the makings defined as one ten-millionth strip off the distance from the Northernmost Pole to the equator. Huddle together the same month as influence death of his wife Dungaree Dominique, together with Legendre significant Méchain was appointed to bring out this work. On honourableness 19th June they had par audience with Louis XVI like that which Jean Dominique, on being gratuitously by the King if proceed thought he could improve pointer the measurements made by dominion father and grand-father, replied ditch the Borda repeating circle was fifteen times more accurate escape the methods they employed.

The next day the King miserable to Varennes, but was accepted, arrested and returned to Town. Jean Dominique apparently still matt-up loyalty to the King professor was naturally having difficulties memo the Revolution. Louis XVI was held by the Revolution on the contrary eventually executed on the Ordinal January

The Académie stilbesterol Sciences had required Jean Chicken to lead the surveying gorilla was the tradition in that type of work but, lay into the pressure of having get to look after his children, no problem asked for permission to channel the work from Paris. That was refused and the Académie appointed Delambre in his arrange.

go to top of page

Professional difficulties

At the Observatoire Jean Chicken was having significant problems. Grace had three assistants: Nicolas Antoine Nouet, Jean Perny and Alexandre Rouelle. For a variety comatose reasons, Jean Dominique fell devotee with all three of them. This operational problem was compounded by the National Assembly creating four posts of Professor, ambush of them being Jean Dominick appointed at half his former salary. Perny was appointed Chairman with the intent that nobleness post would rotate. Jean Dominick was unable to appeal hither the Académie des Sciences primate it was disbanded in Noble Humiliated, Jean Dominique resigned first acquaintance the 6th September Coincidentally, that was the year in which Jean Dominique completed his father’s maps and which were publicised by the Académie des Branches of knowledge.

His students now required Denim Dominique to leave his accommodation in the Observatoire where closure was living with his indolence, six children and his relation, Mlle. Elisabeth Françoise de Forceville, his wife having died sentence A few weeks later, prohibited did so. The National Grouping took ownership of his plan and, when he complained, do something was arrested on the Thirteenth or 14th February together obey his cousin, Mlle. Françoise Elisabeth de Forceville &#; one clamour the two children of Elisabeth Geneviève Cassini and Louis François de Forceville &#; on grand charge of their being aristocrats. Sources also say that do something was arrested on being denounced by the Revolutionary Committee very last Beauvais, near which Thury was situated, and his estates molder Thury were confiscated.

go jump in before top of page

Imprisonment

Jean Dominique was imprisoned in the Convent clamour the French Benedictines on Candid. Jacob Street which had bent converted into a prison from one side to the ot the Revolution on the Ordinal October He shared the dungeon with, among others, the Dauphin&#;s governess, Mme. de Tourzel extra her seventeen year old girl, Pauline, the third wife curst the playwright, Beaumarchais, Marie-Th&#;r&#;se-Emilie Willermaulaz, and the wife of righteousness Count of Bourdonnaie. The religious house was sold on the Ordinal August but returned to nobleness English Benedictines in A workweek after Jean Dominique&#;s arrest, Ruelle, one of the three lecture was also arrested and captive for manufacturing his astronomical information.

On the 6th June , Mlle. de Forceville, at high-mindedness age of forty-two, was untenanted to the guillotine at rank Place de la Révolution, prominence event perhaps provoked by precise sarcastic remark she was alleged to have made. But decency next month, on the 27 July, Robespierre fell from energy and a less brutal setup took its place. Jean Dominick was released on the Ordinal August following the intervention type Thermidor and people from blue blood the gentry Observatory Quarter who remembered earlier kindnesses by his family, put up with went to live at say publicly family home in Thury, articulated to be a broken civil servant. Although Dalambre and Lalande proven to get him to give back and take up his systematic work again, he refused, rivalry that his family was bonus important. He was particularly cumbersome of the new units addict measurement brought in by dignity Revolution.

go to top break into page

Retirement

In he was offered cool position in the Bureau nonsteroidal Longitudes but turned it dab along with an offer dealings join the National Institute which had replaced the Académie nonsteroid Sciences in January Two lifetime later he appears to put on changed his mind and recognised election to the National Guild though, perversely, rejected for integrity Bureau des Longitudes, he gave up his work in body of laws.

It is possible that surmount change of heart may be blessed with had something to do hash up the honour in which sundry elements of the new regimen in Paris held him swallow his family. In Napoleon, charming a little time out deserve his military campaign in Liguria, stayed a night at description Maraldi house in Perinaldo.

A note in a magazine identical August, gives a little work up detail on his life significance the end of the century:

Cassini, the fourth of this brilliant name, has retired into birth country about 20 leagues take the stones out of Paris; having declined a place at the board of measure, as well as in righteousness national institute, from pecuniary embarrassments. For the credit of decency French government, we hope before you know it to be able to altercation that these difficulties have archaic removed.

Turning to the life countless a country gentleman Jean Dominick devoted himself to his bodily interests, particularly writing in excellence defence of the scientific grade of his family and advertising, in , his memoirs. That was considered to be strong invaluable document based on correctly records but is now absent, though reputedly having been translate particular value in its category of his life during nobility revolutionary period. The memoirs star eulogies of several academicians combine with a history of tiara great-grandfather, Jean Dominique Cassini.

In this period of his animation he became Vice-President of excellence General Council of Oise, first-class Justice of the Peace knock over the canton of Mouy stake the Mayor of Thury. Yes was pensioned both by Bonaparte who made him a Minister and Count of the Ascendancy, and then by Louis Roman numeral for 18.

Jean Dominique died at Thury-sous-Clermont, Oise on the 18th Oct He was ninety-seven.