- 1939Research Fellow
- 1926Medical Fellow
- 1947[position unknown]
- 1948[position unknown]
- 1949[position unknown]
- 1950[position unknown]
- 1951[position unknown]
- 1949Research Associate
- 1950Research Associate
- 1957Indexer
- 1954[position unknown]
- 1955Research Associate
- 1956Research Associate
- 1957Research Associate
- 1994[position unknown]
- 1921Chairman Division Research Extension
- 1988[position unknown]
- 1932Fellow
- 1949Associate Research Biologist
- 2004[position unknown]
- 1999[position unknown]
- 1942Rca Fellow
- 1932National Research Fellow In The Biological Sciences
- 1953Chemical Biological Coordination Center
- 1919Chairman Division Of Biology And Agriculture
- 1925Fellow
- 1997[position unknown]
- 1925Fellow
- 2004[position unknown]
- 1930Fellow In The Biological Science
- 1923[position unknown]
- 1946[position unknown]
- 1952[position unknown]
- 1953[position unknown]
- 1922[position unknown]
- 1921[position unknown]
- 1922[position unknown]