Bernard Trevisan
Encyclopedia
Bernard Trevisan refers to one or more Italian alchemist
Alchemy
Alchemy is an influential philosophical tradition whose early practitioners’ claims to profound powers were known from antiquity. The defining objectives of alchemy are varied; these include the creation of the fabled philosopher's stone possessing powers including the capability of turning base...

s. These are often confused, or more accurately the name may refer to a shadowy figure or figures.

Biography

The figure from the fifteenth century is described as living from 1406-1490. He was born into a noble family in Padua
Padua
Padua is a city and comune in the Veneto, northern Italy. It is the capital of the province of Padua and the economic and communications hub of the area. Padua's population is 212,500 . The city is sometimes included, with Venice and Treviso, in the Padua-Treviso-Venice Metropolitan Area, having...

 and spent his entire life spending his family fortune in search of the Philosopher's stone
Philosopher's stone
The philosopher's stone is a legendary alchemical substance said to be capable of turning base metals into gold or silver. It was also sometimes believed to be an elixir of life, useful for rejuvenation and possibly for achieving immortality. For many centuries, it was the most sought-after goal...

.

He began his career as an alchemist
Alchemy
Alchemy is an influential philosophical tradition whose early practitioners’ claims to profound powers were known from antiquity. The defining objectives of alchemy are varied; these include the creation of the fabled philosopher's stone possessing powers including the capability of turning base...

 at the age of fourteen.http://online.redwoods.cc.ca.us/depts/science/chem/crucible.htm He had his family's permission, as they also desired to increase their wealth. He first worked with a monk of Cîteaux named Gotfridus Leurier. They attempted for eight years to fashion the Philosopher's stone
Philosopher's stone
The philosopher's stone is a legendary alchemical substance said to be capable of turning base metals into gold or silver. It was also sometimes believed to be an elixir of life, useful for rejuvenation and possibly for achieving immortality. For many centuries, it was the most sought-after goal...

 out of hen eggshells and egg yolk purified in horse manure.

He is believed to have been influential on the work of Gilles de Rais
Gilles de Rais
Gilles de Montmorency-Laval , Baron de Rais, was a Breton knight, a leader in the French army and a companion-in-arms of Joan of Arc. He is best known as a prolific serial killer of children...

 in the 1430s.

He then worked with minerals and natural salts using distillation
Distillation
Distillation is a method of separating mixtures based on differences in volatilities of components in a boiling liquid mixture. Distillation is a unit operation, or a physical separation process, and not a chemical reaction....

  and crystallization
Crystallization
Crystallization is the process of formation of solid crystals precipitating from a solution, melt or more rarely deposited directly from a gas. Crystallization is also a chemical solid–liquid separation technique, in which mass transfer of a solute from the liquid solution to a pure solid...

 methods borrowed from Geber
Geber
Abu Musa Jābir ibn Hayyān, often known simply as Geber, was a prominent polymath: a chemist and alchemist, astronomer and astrologer, engineer, geologist, philosopher, physicist, and pharmacist and physician. Born and educated in Tus, he later traveled to Kufa...

 and Rhazes. When these failed he turned to vegetable and animal material, finally using human blood
Blood
Blood is a specialized bodily fluid in animals that delivers necessary substances such as nutrients and oxygen to the cells and transports metabolic waste products away from those same cells....

 and urine
Urine
Urine is a typically sterile liquid by-product of the body that is secreted by the kidneys through a process called urination and excreted through the urethra. Cellular metabolism generates numerous by-products, many rich in nitrogen, that require elimination from the bloodstream...

. He gradually sold his wealth to buy secrets and hints towards the stone, most often from swindlers. He traveled all over the known world, including the Baltics, Germany, Spain, France, Vienna, Egypt, Palestine, Persia, Greece, Turkey, and Cyprus, to find hints left by past alchemists. His health had been deteriorating, most likely from the fumes he had created with his alchemy. He retired to the Island of Rhodes, still working on the Philosopher's stone
Philosopher's stone
The philosopher's stone is a legendary alchemical substance said to be capable of turning base metals into gold or silver. It was also sometimes believed to be an elixir of life, useful for rejuvenation and possibly for achieving immortality. For many centuries, it was the most sought-after goal...

 until his death in 1490.

Attributed works

In the sixteenth century alchemical works were attributed to Bernard. For example, Trevisanus de Chymico miraculo, quod lapidem philosophiae appellant was edited in 1583 by Gerard Dorn. The Answer of Bernardus Trevisanus, to the Epistle of Thomas of Bononia, and The Prefatory Epistle of Bernard Earl of Tresne, in English, appeared in the 1680 Aurifontina Chymica.http://www.levity.com/alchemy/books/bk280.htm

External links

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