Courtois isolated the element iodine from " kelp," the burnt ashes of marine plants.
JACQUES COURTOIS (1621-1676) and Guillaume (1628-1679).
Jacques Courtois was born at St Hippolyte, near Besancon, in 1621.
Prince Matthias of Tuscany employed Courtois on some striking works in his villa, Lappeggio, representing with much historical accuracy the prince's military exploits.
As a Jesuit father, Courtois painted many works in churches and monasteries of the society.
Courtois etched with skill twelve battle-subjects of his own composition.
Guillaume Courtois, born likewise at St Hippolyte, came to Italy with his brother.
Guillaume Courtois died of gout on the 15th of June 1679.
This compound was discovered in 1812 by Bernard Courtois, and was originally supposed to contain nitrogen and iodine only, but in 1840 R.F.Marchand showed that it contained hydrogen, whilst R.
The author gives a romantic description of the meeting with Cleopatra, with an interpolated dissertation on amour courtois as understood by the trouveres.
Courtois when investigating the products obtained from the mother-liquors prepared by lixiviating kelp or burnt seaweed, and in 1815 L.
The 43,000 lines which it contains are of but little interest to the historian; they are too evidently the work of a romancier courtois, who takes pleasure in recounting love-adventures such as those he has described in his romance of Troy.
Courtois, Rapport fait au nom de la commission chargee de l'examen des papiers trouves chez Robespierre et ses cornplices (1795); D.
Supprimes ou omis par Courtois (3 vols., 1828); also bibliography in M.
Davy, passing through Paris on his way to Italy at the end of 1813, obtained a few fragments of iodine, which had been discovered by Bernard Courtois (1777-1838) in 1811, and after a brief examination by the aid of his limited portable laboratory perceived its analogy to chlorine and inferred it to be an element.