Robert Duval (1510–1567), also referred as Robertus Vallensis, was a French

alchemist Alchemy (from Arabic: ''al-kīmiyā''; from Ancient Greek: χυμεία, ''khumeía'') is an ancient branch of natural philosophy, a philosophical and protoscientific tradition that was historically practiced in China, India, the Muslim world, ...

. In 1886, John Ferguson stated that the ''De veritate et antiquitate artis chemicae'' by Duval stands out as 'the first history of chemistry.' This work was published in 1561, in

Paris Paris () is the capital and most populous city of France, with an estimated population of 2,165,423 residents in 2019 in an area of more than 105 km² (41 sq mi), making it the 30th most densely populated city in the world in 2020. ...

.Barbara Obrist, 'Views on History of Medieval Alchemical Writings', ''Ambix 56'', November 2009, 226-238.

References

{{DEFAULTSORT:Duval, Robert 1510 births 1567 deaths French alchemists 16th-century alchemists