Affiliations Courses Research 1902[position unknown]U S Department Of Agriculture1903PhysiologistU S Department Of Agriculture1900[position unknown]Harvard University1901[position unknown]Harvard University1901LecturerHarvard University1899Assistant Professor Of BotanyUniversity Of Wisconsin1904PhysiologistUnited States Department Of Agriculture 1899Botany 1899Instructor1900Botany 1900Instructor1900Nature Study 1900Instructor1901Botany 1901Instructor1902Botany 1902Instructor1903Botany 1903Instructor1904Botany 1904Instructor 1900[subject unknown]Investigator: Botany1901[subject unknown]Investigator: Botany