11 April 1626 (1626-04-12) (aged 57)
Dubrovnik,
**Republic of Ragusa**

Republic of Ragusa (modern Croatia)
Dubrovnik, Republic of Ragusa

Occupation
mathematician, physicist,

Marino
**Ghetaldi**

Ghetaldi (Latin: Marinus Ghetaldus; Croatian: Marin Getaldić;
2 October 1568 – 11 April 1626) was a Ragusan scientist. A
mathematician and physicist who studied in Italy,
**England**

England and Belgium,
his best results are mainly in physics, especially optics, and
mathematics. He was one of the few students of François Viète.

Contents

1 Biography
2 Legacy
3 See also
4 References
5 Sources
6 Bibliography
7 External links

Biography[edit]

Variorum problematum collectio, 1607

Born into the
**Ghetaldi**

Ghetaldi noble family, he was one of six children. He
was known for the application of algebra in geometry and his research
in the field of geometrical optics on which he wrote 7 works including
the Promotus Archimedus (1603) and the De resolutione et compositione
mathematica (1630). He also produced a leaflet with the solutions of
42 geometrical problems, Variorum problematum colletio, in 1607 and
set grounds of algebraization of geometry. His contributions to
geometry had been cited by Dutch physicist
**Christiaan Huygens**

Christiaan Huygens and
Edmond Halley, who calculated the orbit of what is known as Halley's
comet, in England.
**Ghetaldi**

Ghetaldi was the constructor of the parabolic mirror (66 cm in
diameter), kept today at the
**National Maritime Museum**

National Maritime Museum in London. He
was also a pioneer in making conic lenses.[1] During his sejourn in
**Padua**

Padua he met Galileo Galilei, with whom he corresponded regularly. He
was a good friend to the French mathematician François Viète. He was
offered the post of professor of mathematics in
**Leuven**

Leuven in Belgium, at
the time one of the most prestigious university centers in Europe.

Ghetaldi.

He was also engaged in politics and was the envoy of the Republic of
Ragusa in
**Constantinople**

Constantinople in 1606 as well as the member of the Great
and Small Council, the political bodies of the Republic. He was
married to Marija Sorkočević, who died giving birth to their third
daughter; they had three daughters: Anica, Franica and Marija.
Legacy[edit]
Two notable localities in
**Dubrovnik**

Dubrovnik are associated with the name of
Getaldić: Bete's Cave, named after Marino's nickname, where he
conducted experiments with igniting mirrors; and Pozvizd, a key
strategic tower in the
**Ston**

Ston fortification system which he was
commissioned to build by the authorities of the Republic of Dubrovnik
in 1604.
See also[edit]

House of Getaldić
List of notable Ragusans

References[edit]

This article includes a list of references, but its sources remain
unclear because it has insufficient inline citations. Please help to
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2011) (Learn how and when to remove this template message)

^ "history and culture". www.vodice.org. Retrieved 2016-04-10.

Sources[edit]

Vujić, Marko. "Marin Getaldić - Život i djelo" (PDF). SVEUČILIŠTE
JOSIPA JURJA STROSSMAYERA U OSIJEKU ODJEL ZA FIZIKU.

Bibliography[edit]

A. Favaro, "Marino Ghetaldi," Amici e corrisponsdenti di Galileo, 3
vols. (Firenze, 1983), 2, 911-34.
H. Wieleitner, "Marino
**Ghetaldi**

Ghetaldi und die Anfänge der
Koordinatengeometrie," Bibliotheca mathematica, 3rd ser., 13,
pp. 242–247.
G. Barbieri, "Marino Ghetaldi," in Pietro F. Martecchini, Galleria di
Ragusei illustri, (Ragusa, 1840).

External links[edit]

O'Connor, John J.; Robertson, Edmund F., "Marino Ghetaldi", MacTutor
History of
**Mathematics**

Mathematics archive, University of St Andrews .
"
**Ghetaldi**

Ghetaldi [Ghettaldi], Marino". The Galileo Project.
Works by Marino
**Ghetaldi**

Ghetaldi at Open Library

Authority control

WorldCat Identities
VIAF: 55057189
LCCN: n84801198
ISNI: 0000 0001 0857 6491
GND: 123521041
SUDOC: 085160482
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