Achille Sannia (14 April 1822 – 2 August 1892) was an Italian mathematician and politician.

Biography

Achille Sannia was a senator of the

Kingdom of Italy The Kingdom of Italy ( it, Regno d'Italia) was a state that existed from 1861, when Victor Emmanuel II of Kingdom of Sardinia, Sardinia was proclamation of the Kingdom of Italy, proclaimed King of Italy, until 1946, when civil discontent led to ...

. He was born in

Campobasso Campobasso (, ; nap, label= Campobassan, Cambuàsce ) is a city and ''comune'' in southern Italy, the capital of the region of Molise and of the province of Campobasso. It is located in the high basin of the Biferno river, surrounded by Sann ...

and later moved from

Molise Molise (, , ; nap, label=Neapolitan language, Neapolitan, Mulise) is a Regions of Italy, region of Southern Italy. Until 1963, it formed part of the region of Abruzzi e Molise, alongside the region of Abruzzo. The split, which did not become effe ...

Naples Naples (; it, Napoli ; nap, Napule ), from grc, Νεάπολις, Neápolis, lit=new city. is the regional capital of Campania and the third-largest city of Italy, after Rome and Milan, with a population of 909,048 within the city's adminis ...

to continue his studies together with

Enrico D'Ovidio Enrico D'Ovidio (1842-1933) was an Italian mathematician who is known by his works on geometry. Life and work D'Ovidio, son of a liberal parents involved in the Italian independence movement, studied at the university of Naples under his uncle ...

. He first taught in a private school before moving to a University in 1865 as a professor of geometry. In 1871, he created a school of

Electrical engineering Electrical engineering is an engineering discipline concerned with the study, design, and application of equipment, devices, and systems which use electricity, electronics, and electromagnetism. It emerged as an identifiable occupation in the l ...

. He wrote two important treatises, one concerning

projective geometry In mathematics, projective geometry is the study of geometric properties that are invariant with respect to projective transformations. This means that, compared to elementary Euclidean geometry, projective geometry has a different setting, pro ...

and the other

elementary geometry Geometry (; ) is, with arithmetic, one of the oldest branches of mathematics. It is concerned with properties of space such as the distance, shape, size, and relative position of figures. A mathematician who works in the field of geometry is ca ...

. He was a member of the

Academy of Sciences An academy of sciences is a type of learned society or academy (as special scientific institution) dedicated to sciences that may or may not be state funded. Some state funded academies are tuned into national or royal (in case of the Unite ...

. He had a son,

Gustavo Sannia Gustavo Sannia (13 May 1875 – 21 December 1930) was an Italian mathematician working in differential geometry, projective geometry, and summation of series. He was the son of Achille Sannia, mathematician and senator of the Kingdom of Italy. ...

who was also a mathematician.

Works

Planimetry Planimetrics is the study of plane measurements, including angles, distances, and areas. History To measure planimetrics a planimeter or dot planimeter is used. This rather advanced analog technology is being taken over by simple image measurement ...

, with Enrico D'Ovidio, Stab. typ. of the fine arts, Naples 1869, II ed. 1871 *Geometry elements, with Enrico D'Ovidio, (14 editions), Naples 1868-69, 12th edition, B. Pellerano LC Scientific and Industrial Library successor, Naples 1906 *Projection Geometry Lessons dictated in the

Royal University of Naples The University of Naples Federico II ( it, Università degli Studi di Napoli Federico II) is a public university in Naples, Italy. Founded in 1224, it is the oldest public non-sectarian university in the world, and is now organized into 26 depar ...

by Prof. Achille Sannia- Ed. Pellerano Naples 1891 of 691pagg.

References

{{DEFAULTSORT:Sannia, Achille 20th-century Italian politicians Members of the Senate of the Kingdom of Italy 20th-century Italian mathematicians Recipients of the Order of the Crown (Italy) Commanders of the Order of Saints Maurice and Lazarus 1822 births 1892 deaths