Un Liégeois précurseur et spécialiste des cadrans solaires, … fort oublié … Francis Line, connu sous le patronyme « Linus de Liège » ; Belgique

Linus was one of the first Liège scientists known for his debates with Newton and Boyle. He criticized in particular the theory of colors. He was one of the founders of the college of English Jesuits which is somewhere at the origin of the University of Liège and the scientific spirit of Liège.