Year | Position | Institution |
1919 | Assistant Professor Of Botany | Columbia University 4 |
1920 | Assistant Professor Of Botany | Columbia University 4 |
1921 | Assistant Professor Of Botany | Columbia University 4 |
1923 | Assistant Professor Of Botany | Barnard College 4 |
1924 | Associate Professor Of Botany | Barnard College 4 |
1924 | Assistant Professor Of Botany | Barnard College Columbia University 4 |
1926 | Assistant Professor Of Botany | Barnard College 4 |
1926 | Assistant Professor Of Botany | Columbia University 4 |
1928 | Assistant Professor Of Botany | Columbia University 4 |
Year | Role | Course |
1924 | Instructor | Botany 1924 |
1926 | Instructor | Botany 1926 |
Year | Subject | Role |
1919 | Botany | |
1920 | Botany | |
1921 | Botany | |
1923 | Botany | |
1924 | Botany | |
1926 | Botany | |
1928 |
Year | Location |
1924 | new york, ny |