Duccius[?] - inscriptions, notably a tombstone of Lucius Duccius Rufinus at York[2] (http://museums.ncl.ac.uk/archive/arma/contents/iconog/tombston/cent1/uk/york/duccius.htm)
... (c. 1567-1635), established the French colony in Canada; discovered the Great Lakes
William Clark, (1770-1838), with Meriwether Lewis led the first American ...