Theodorus of Samos
Encyclopedia
Theodorus of Samos was a 6th century BC ancient Greek
Ancient Greece
Ancient Greece is a civilization belonging to a period of Greek history that lasted from the Archaic period of the 8th to 6th centuries BC to the end of antiquity. Immediately following this period was the beginning of the Early Middle Ages and the Byzantine era. Included in Ancient Greece is the...

 sculptor
Sculpture
Sculpture is three-dimensional artwork created by shaping or combining hard materials—typically stone such as marble—or metal, glass, or wood. Softer materials can also be used, such as clay, textiles, plastics, polymers and softer metals...

 and architect
Architect
An architect is a person trained in the planning, design and oversight of the construction of buildings. To practice architecture means to offer or render services in connection with the design and construction of a building, or group of buildings and the space within the site surrounding the...

 from the Greek island of Samos
Samos Island
Samos is a Greek island in the eastern Aegean Sea, south of Chios, north of Patmos and the Dodecanese, and off the coast of Asia Minor, from which it is separated by the -wide Mycale Strait. It is also a separate regional unit of the North Aegean region, and the only municipality of the regional...

. Along with Rhoecus
Rhoecus
Rhoecus was a Samian sculptor of the 6th century BCE. He and his son Theodorus were especially noted for their work in bronze. Herodotus says that Rhoecus built the temple of Hera at Samos, which was destroyed by fire c. 530 BCE. In the temple of Artemis at Ephesus was a marble figure of night by...

, he was often credited with the invention
Invention
An invention is a novel composition, device, or process. An invention may be derived from a pre-existing model or idea, or it could be independently conceived, in which case it may be a radical breakthrough. In addition, there is cultural invention, which is an innovative set of useful social...

 of ore smelting
Smelting
Smelting is a form of extractive metallurgy; its main use is to produce a metal from its ore. This includes iron extraction from iron ore, and copper extraction and other base metals from their ores...

 and, according to Pausanias
Pausanias (geographer)
Pausanias was a Greek traveler and geographer of the 2nd century AD, who lived in the times of Hadrian, Antoninus Pius and Marcus Aurelius. He is famous for his Description of Greece , a lengthy work that describes ancient Greece from firsthand observations, and is a crucial link between classical...

, the craft of casting
Casting
In metalworking, casting involves pouring liquid metal into a mold, which contains a hollow cavity of the desired shape, and then allowing it to cool and solidify. The solidified part is also known as a casting, which is ejected or broken out of the mold to complete the process...

. He is also credited with inventing a water level, a carpenter's square, and, according to Pliny
Pliny the Elder
Gaius Plinius Secundus , better known as Pliny the Elder, was a Roman author, naturalist, and natural philosopher, as well as naval and army commander of the early Roman Empire, and personal friend of the emperor Vespasian...

, a lock and key
Lock and Key
Lock and Key is a novel written by author Sarah Dessen. It is her 8th published novel. It was published by Viking's Children's Books in 2008.-Plot:...

 and the turning lathe. According to Vitruvius
Vitruvius
Marcus Vitruvius Pollio was a Roman writer, architect and engineer, active in the 1st century BC. He is best known as the author of the multi-volume work De Architectura ....

 (vii, introduction), Theodorus is the architect of the Doric Order
Doric order
The Doric order was one of the three orders or organizational systems of ancient Greek or classical architecture; the other two canonical orders were the Ionic and the Corinthian.-History:...

 temple Heraion of Samos temple. In some texts he is described, above all, as a great artist and in some statues he is depicted as a great inventor.

The ancient historian Herodotus
Herodotus
Herodotus was an ancient Greek historian who was born in Halicarnassus, Caria and lived in the 5th century BC . He has been called the "Father of History", and was the first historian known to collect his materials systematically, test their accuracy to a certain extent and arrange them in a...

, also from Samos
Samoš
Samoš is a village in Serbia. It is situated in the Kovačica municipality, in the South Banat District, Vojvodina province. The village has a Serb ethnic majority and its population numbering 1,247 people .-See also:...

, twice refers to Theodorus as "the son of Telecles," a Samian artist. Herodotus credits Theodorus along with Rhoecus
Rhoecus
Rhoecus was a Samian sculptor of the 6th century BCE. He and his son Theodorus were especially noted for their work in bronze. Herodotus says that Rhoecus built the temple of Hera at Samos, which was destroyed by fire c. 530 BCE. In the temple of Artemis at Ephesus was a marble figure of night by...

 with improving the process of mixing copper and tin to form bronze, as well as being the first to use it in casting. Elsewhere, he credits Theodorus alone for discovering the art of fusing iron and using it to cast statues.

Carl Sagan
Carl Sagan
Carl Edward Sagan was an American astronomer, astrophysicist, cosmologist, author, science popularizer and science communicator in astronomy and natural sciences. He published more than 600 scientific papers and articles and was author, co-author or editor of more than 20 books...

, in the episode "The Backbone of Night" from his series Cosmos
Cosmos: A Personal Voyage
Cosmos: A Personal Voyage is a thirteen-part television series written by Carl Sagan, Ann Druyan, and Steven Soter, with Sagan as presenter. It was executive-produced by Adrian Malone, produced by David Kennard, Geoffrey Haines-Stiles and Gregory Andorfer, and directed by the producers, David...

, claims Theodorus invented the level, the ruler, the key, the square, the lathe, and bronze casting.
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