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Robert Hall Bowen

1916
Graduate Student
Columbia University
1917
Graduate Student
Columbia University
1917
Instructor In Invertebrate Zoology
Columbia University
1919
Graduate Student
Columbia University
1920
Instructor In Zoology
Columbia University
1921
Instructor In Zoology
Columbia University
1921
Intructor In Zoology
Columbia University
1922
Instructor In Zoology
Columbia University
1923
Assistant Professor Of Zoology
Columbia University
1924
Assistant Professor Of Zoology
Columbia University
1925
Assistant Professor Of Zoology
Columbia University
1926
Assistant Professor Of Zoology
Columbia University
1927
Assistant Professor Of Zoology
Columbia University
1928
Associate Professor Of Zoology
Columbia University
1929
Professor Of Zoology
Columbia University

1916
Zoology 1916
Instructor
1916
Embryology 1916
Student
1917
Zoology 1917
Instructor
1919
Zoology 1919
Instructor
1920
Zoology 1920
Instructor
1921
Zoology 1921
Instructor
1922
Zoology 1922
Instructor
1923
Zoology 1923
Instructor
1924
Zoology 1924
Instructor
1925
Zoology 1925
Instructor

1917
Zoology
[role unknown]
1920
Zoology
[role unknown]
1921
Zoology
[role unknown]
1922
Zoology
[role unknown]
1923
[subject unknown]
[role unknown]
1924
Zoology
[role unknown]
1925
Zoology
[role unknown]
1926
Zoology
[role unknown]
1927
[subject unknown]
[role unknown]
1928
[subject unknown]
[role unknown]
1929
[subject unknown]
[role unknown]