From 1902 to 1938 Sigmund Freud was psyched working as a professor at the University of this European Capital
Impossible to conduct true psych experiments: observing mental states inevitably 
... 1892-1927: Psychology Professor, Cornell University ... Sigmund Freud .... 
1902: Suffered a breakdown due to compulsive work habits ... 1938: The 
Behavior of Organisms: described his operant system of behavior in which... [DOC] [TLE] Fall 2015 - Columbia College - Columbia