place_of_death gregorio fontana
Medieval Latin was the form of Latin used in the Middle Ages , primarily : as a medium of scholarly exchange ; as the liturgical language of Chalcedonian Christianity and the ___MASK14___ Catholic Church ; and as a language of science , literature , law , and administration . Despite the clerical origin of many of its authors , medieval Latin should not be confused with Ecclesiastical Latin . There is no real consensus on the exact boundary where Late Latin ends and medieval Latin begins . Some scholarly surveys begin with the rise of early Ecclesiastical Latin in the middle of the 4th century , others around 500 , and still others with the replacement of written Late Latin by written Romance languages starting around the year 900 . ___MASK23___ , officially the Italian Republic , is a unitary parliamentary republic in Europe . Located in the heart of the Mediterranean ___MASK25___ , ___MASK23___ shares open land borders with France , Switzerland , ___MASK24___ , Slovenia , San Marino and Vatican City . ___MASK23___ covers an area of and has a largely temperate seasonal climate and Mediterranean climate ; due to its shape , it is often referred to in ___MASK23___ as " lo Stivale " ( the Boot ). With 61 million inhabitants , it is the fourth most populous EU member state . A mathematical problem is a problem that is amenable to being represented , analyzed , and possibly solved , with the methods of mathematics . This can be a real - world problem , such as computing the orbits of the planets in the solar system , or a problem of a more abstract nature , such as Hilbert ' s problems .< br > It can also be a problem referring to the nature of mathematics itself , such as ___MASK47___ ' s Paradox . ___MASK78___ (" ___MASK78___ ( e )" is French for kite ) is a European anti - tank guided missile . Design of the ___MASK78___ started in 1962 , it was ready for trials in 1971 , and was accepted for service in 1972 . It is a wire guided SACLOS ( semi - automatic command to line - of - sight ) missile , which means the sight of the launch unit has to be aimed at the target to guide the missile . The ___MASK78___ can be equipped with a MIRA or MILIS thermal sight to give it night - firing ability . ___MASK7___ ( Lombard : " Lombardia ", ) is one of the twenty administrative regions of ___MASK23___ , in the northwest of the country , with an area of 23 , 844 square kilometres ( 9 , 206 sq mi ). About 10 million people , forming one - sixth of ___MASK23___ ' s population , live in ___MASK7___ and about a fifth of ___MASK23___ ' s GDP is produced in the region , making it the ___MASK97___ populous and richest region in the country and one of the richest regions in Europe . ___MASK78___ , ___MASK7___ ' s capital , is the second - largest city and the largest metropolitan area in ___MASK23___ . ___MASK36___ , officially the Republic of ___MASK36___ , is a sovereign state between Central Europe , Southeast Europe , and the Mediterranean . Its capital city is Zagreb , which forms one of the country ' s primary subdivisions , along with its twenty counties . ___MASK36___ covers and has diverse , mostly continental and Mediterranean climates . ___MASK36___ ' s Adriatic Sea coast contains more than a thousand islands . The country ' s population is 4 . 28 million , most of whom are Croats , with the most common religious denomination being Roman Catholicism . A river is a natural flowing watercourse , usually ___MASK84___ , flowing towards an ocean , sea , lake or another river . In some cases a river flows into the ground and becomes dry at the end of its course without reaching another body of water . Small rivers can be referred to using names such as stream , creek , brook , rivulet , and rill . There are no official definitions for the generic term river as applied to geographic features , although in some countries or communities a stream is defined by its size . Many names for small rivers are specific to geographic location ; examples are " run " in some parts of the United States , " burn " in Scotland and northeast England , and " beck " in northern England . Sometimes a river is defined as being larger than a creek , but not always : the language is vague . ___MASK58___ ( also known by other names ) is a Croatian city on the Adriatic ___MASK25___ , in the region of Dalmatia . It is one of the most prominent tourist destinations in the Mediterranean ___MASK25___ , a seaport and the centre of ___MASK58___ - Neretva County . Its total population is 42 , 615 ( census 2011 ). In 1979 , the city of ___MASK58___ joined the UNESCO list of World Heritage Sites . Roger Joseph Boscovich (, , ; 18 May 1711  13 February 1787 ) was a Ragusan physicist , astronomer , mathematician , philosopher , diplomat , poet , theologian , Jesuit priest , and a polymath from the city of ___MASK58___ ( modern - day ___MASK36___ ), who studied and lived in Italy and France where he also published many of his works . He was nicknamed " the Croatian Leibniz " by Werner Heisenberg . ___MASK29___ ( Lombard : " ___MASK29___ " Medieval Latin : " Papia ") is a town and " comune " of south - western Lombardy , northern Italy , south of ___MASK78___ on the lower Ticino river near its confluence with the Po . It has a population of c . 68 , 000 . The city was the capital of the Kingdom of the Lombards from 572 to 774 . The Kingdom of the Lombards also known as the Lombard Kingdom ; later the Kingdom of ( all ) ___MASK23___ , was an early medieval state established by the Lombards , a Germanic - speaking people , on the Italian Peninsula in the latter part of the 6th century . The king was traditionally elected by the highest - ranking aristocrats , the dukes , as several attempts to establish a hereditary dynasty failed . The kingdom was subdivided into a varying number of duchies , ruled by semi - autonomous dukes , which were in turn subdivided into gastaldates at the municipal level . The capital of the kingdom and the center of its political life was ___MASK29___ in the modern northern Italian region of Lombardy . Werner Karl Heisenberg ( 5 December 1901  1 February 1976 ) was a German theoretical physicist and one of the key pioneers of quantum mechanics . He published his work in 1925 in a breakthrough paper . In the subsequent series of papers with Max Born and Pascual Jordan , during the same year , this matrix formulation of quantum mechanics was substantially elaborated . In 1927 he published his uncertainty principle , upon which he built his philosophy and for which he is ___MASK26___ known . Heisenberg was awarded the Nobel Prize in Physics for 1932 " for the creation of quantum mechanics ". The ( plural : "") is a basic administrative division in ___MASK23___ , roughly equivalent to a township or municipality . A mathematician is someone who uses an extensive knowledge of mathematics in his / her work , typically to solve mathematical problems . ___MASK66___ , officially the ___MASK79___ , is a country with territory in western Europe and several overseas regions and territories . The European , or metropolitan , area of ___MASK66___ extends from the Mediterranean ___MASK25___ to the English Channel and the North ___MASK25___ , and from the Rhine to the ___MASK50___ . Overseas ___MASK66___ include French Guiana on the South American continent and several island territories in the Atlantic , Pacific and Indian oceans . ___MASK66___ spans and had a total population of almost 67 million people as of January 2017 . It is a unitary semi - presidential republic with the capital in Paris , the country ' s largest city and main cultural and commercial centre . Other major urban centres include Marseille , Lyon , Lille , Nice , Toulouse and Bordeaux . Gregorio Fontana ( 7 December 1735 -- 24 August 1803 ) was an Italian mathematician . He was chair of mathematics at the university of ___MASK29___ succeeding Roger Joseph Boscovich . He has been credited with the introduction of polar coordinates . His brother was the physicist Felice Fontana ( 1730 -- 1805 ) .