Methylene Blue, methylthionine chloride or 3,7-bis(dimethylamino)phenothiazin-5-ium chloride is a chemical compound used as a dye and medication for Gram's stain, Wright stain[?], and the treatment of metoxyhemoglobinemia.
... to the sufferers of Hansen's disease (leprosy) who lived on the island of Molokai, Hawaii.
He was born in Tremeloo, Belgium, the son of a farmer. He entered th ...