Adolphe SaxAdolphe Sax
06 November 1814
Inventor of Saxophone
Leo BaekelandLeo Baekeland
14 November 1863
Chemist & Inventor

Étienne LenoirÉtienne Lenoir
12 January 1822
Inventor, Engineer

Paul OtletPaul Otlet
23 August 1868
Writer, Lawyer, Librarian, Scientist, Inventor,

Zénobe GrammeZénobe Gramme
04 April 1826
Electrical Engineer