1830 Death Adrien-Joseph van Helmont, composer, dies at 83 1790 Death Charles-Joseph van Helmont, composer, dies at 75 1747 Birthday Adrien-Joseph van Helmont, composer 1715 Birthday Charles-Joseph van Helmont, composer 1635 Death Jan Baptista Van Helmont, physician/alchemist, dies 1580 Birthday Jean Baptiste van Helmont, Belgian chemist, found boiling pt temp
