Théodore Moret, also known as Moretus (Antwerp 1602 – Breslau 1667) was a Belgian

Belgium

Belgium , officially the Kingdom of Belgium, is a federal state in Western Europe. It is a founding member of the European Union and hosts the EU's headquarters, and those of several other major international organisations such as NATO.Belgium is also a member of, or affiliated to, many...

 mathematician

Mathematician

A mathematician is a person whose primary area of study is the field of mathematics. Mathematicians are concerned with quantity, structure, space, and change....

 and Jesuit. He was born in Antwerp, but spent most of his working life in Prague

Prague

Prague is the capital and largest city of the Czech Republic. Situated in the north-west of the country on the Vltava river, the city is home to about 1.3 million people, while its metropolitan area is estimated to have a population of over 2.3 million...

, in the Kingdom of Bohemia

Kingdom of Bohemia

The Kingdom of Bohemia was a country located in the region of Bohemia in Central Europe, most of whose territory is currently located in the modern-day Czech Republic. The King was Elector of Holy Roman Empire until its dissolution in 1806, whereupon it became part of the Austrian Empire, and...

.

Moretus is the author of the first mathematical dissertations ever defended in Prague. Moretus' scientific diaries containing technical notes and drafts as well as his correspondence with pre-eminent European scholars of that time (Kircher, Conrad

Conrad

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, Riccioli etc.) are preserved in the National Library of the Czech Republic. He died in Breslau.

The lunar crater Moretus

Moretus (crater)

Moretus is a lunar impact crater located in the heavily cratered highland region near the south pole of the Moon. South of it is the crater Short, while to the north is Cysatus. To the northwest lies Gruemberger, and Curtius is located to the northeast...

is named after him.

External links

• Tractatus physico-mathematicus de aestu mari, Theodore Moretus, Antwerp, Jac. Meursius, 1665 full text