1580-1644 Belgian Alchemist/Chemist and Physician Jan Baptista van Helmont played an important role in the transition from classical and medieval ideas and practices to those of modern science, especially in the fields of chemistry and biology. He is...

Jan van Helmont. Flemish Physician and Chemist 1579-1644 Renowned physician and chemist Jan van Helmont was born into the Flemish gentry in 1579. He received his medical degree at the age of twenty, then proceeded to revolutionize the field of...

1579-1644 Flemish physician, physiologist, and chemist who first recognized the existence of more than one air-like substance. He introduced the term "gas" to refer to the various substances he isolated, which include carbon dioxide and...

(born Jan. 12, 1580, Brussels, Belg.—died Dec. 30, 1644, Vilvoorde, Spanish Netherlands) Belgian chemist, physiologist, and physician. Though he tended to mysticism, he was a careful observer and exact experimenter. The first to recognize gases...

Jan Baptist van Helmont (January 12, 1577 – December 30, 1644) was a Flemish chemist, physiologist, and physician. Alternative given names for him are given as Jean-Baptiste van Helmont, Johannes Baptista van Helmont, and Joan Baptista van...