(n)English chemist who was a pioneer in electrochemistry and who used it to isolate elements sodium and potassium and barium and boron and calcium and magnesium and chlorine (1778-1829), Syn.Sir Humphrey Davy, Humphrey Davy
(n)English navigator who in 1583 established in Newfoundland the first English colony in North America (1539-1583), Syn.Humphrey Gilbert, Sir Humphrey Gilbert