Ewan, Joseph, 1909-1999Usage Conditions ApplyCloseUsage Conditions ApplyThe Smithsonian Institution Archives welcomes personal and educational use of its collections unless otherwise noted. For commercial uses, please contact photos@si.edu. Print Biographical HistoryJoseph Ewan collected specimens for the Cinchona Project throughout the mid 1940s.Birth Date1909Death Date1999TopicForm/GenrePersonal name