  As a specialist she starts to face certain research problems. She does not face them alone: she is a member of a group, where everybody perceives the world similarly and thinks about it in (almost) the same way. And if an issue is new, then any success is achievable only if the whole group of scholars is engaged. Usually the analyzed phenomena are extremely complicated and diversified—and they require distinguishing, segregation, unification, and simplification, and those are tasks which exceed the capabilities of any single researcher. “Only through organized cooperative research, supported by popular knowledge and continuing over several generations, might a unified picture emerge” (1935a, II.1).