- 1914Physiologist In Charge Of Graduate Laboratory And Professor Of Plant Physiology
- 1902[subject unknown]Botany
- 1908[subject unknown]Botany
- 1910Botany[role unknown]
- 1911Botany[role unknown]
- 1912Botany[role unknown]
- 1913Botany[role unknown]
- 1914Botany[role unknown]
- 1925Botany[role unknown]
- 1926Botany[role unknown]
- 1927[subject unknown][role unknown]
- 1928[subject unknown][role unknown]
- 1930[subject unknown][role unknown]
- 1934[subject unknown]Independent
- 1937[subject unknown]Independent
- 1939[subject unknown]Independent
- 1941[subject unknown]Independent Investigators
- 1943[subject unknown]Independent
- 1910The Relation of Plants to Toxic Agents with Special Reference to the Modification of Toxicity by Chemical and Physical AgentsFriday Evening Lecturer
- 1911[subject unknown]Corporation Member
- 1912[subject unknown]Corporation Member
- 1913[subject unknown]Corporation Member
- 1914[subject unknown]Corporation Member
- 1915[subject unknown]Corporation Member
- 1916[subject unknown]Corporation Member
- 1917[subject unknown]Corporation Member
- 1918[subject unknown]Corporation Member
- 1925[subject unknown]Corporation Member
- 1926[subject unknown]Corporation Member
- 1927The Physiological Behavior of Certain Virus AgenciesFriday Evening Lecturer
- 1927[subject unknown]Corporation Member
- 1927[subject unknown]Trustee
- 1928[subject unknown]Trustee
- 1928[subject unknown]Corporation Member
- 1929[subject unknown]Corporation Member
- 1929[subject unknown]Trustee
- 1930[subject unknown]Corporation Member
- 1930[subject unknown]Trustee
- 1931[subject unknown]Trustee
- 1931[subject unknown]Corporation Member
- 1932[subject unknown]Corporation Member
- 1932[subject unknown]Trustee
- 1933[subject unknown]Trustee
- 1934[subject unknown]Trustee
- 1934[subject unknown]Corporation Member
- 1935[subject unknown]Corporation Member
- 1935[subject unknown]Trustee
- 1936[subject unknown]Trustee
- 1936[subject unknown]Corporation Member
- 1937[subject unknown]Corporation Member
- 1937[subject unknown]Trustee
- 1938[subject unknown]Corporation Member
- 1938[subject unknown]Trustee
- 1939[subject unknown]Trustee
- 1939[subject unknown]Corporation Member
- 1940[subject unknown]Corporation Member
- 1940[subject unknown]Trustee
- 1941[subject unknown]Corporation Member
- 1941[subject unknown]Trustee
- 1942[subject unknown]Trustee
- 1942[subject unknown]Corporation Member
- 1943Studies in the Irradiation of Certain MicroorganismsFriday Evening Lecturer
- 1943[subject unknown]Trustee
- 1943[subject unknown]Corporation Member
- 1944[subject unknown]Trustee
- 1944[subject unknown]Corporation Member
- 1945[subject unknown]Corporation Member
- 1945[subject unknown]Trustee
- 1946[subject unknown]Corporation Member
- 1946[subject unknown]Trustee
- 1947[subject unknown]Corporation Member
- 1947[subject unknown]Trustee
- 1948[subject unknown]Trustee
- 1948[subject unknown]Corporation Member
- 1949[subject unknown]Trustee
- 1949[subject unknown]Corporation Member
- 1950[subject unknown]Corporation Member
- 1950[subject unknown]Trustee
- 1951[subject unknown]Trustee
- 1951[subject unknown]Corporation Member
- 1952[subject unknown]Trustee
- 1952[subject unknown]Corporation Member
- 1953[subject unknown]Trustee
- 1953[subject unknown]Corporation Member
- 1954[subject unknown]Corporation Member
- 1954[subject unknown]Trustee
- 1955[subject unknown]Corporation Member
- 1955[subject unknown]Trustee
- 1956[subject unknown]Corporation Member