Important theorists within it include Alfredo Maria Bonanno and Wolfi Landstreicher.

Influential theorists who are still active include the following psychologists, neurologists, and philosophers:

Leading theorists of innovation economics include both formal economists, as well as management theorists, technology policy experts, and others.

Later theorists with roots in Frankfurt School critical theory include:

During this time theorists often included relationships into their current areas of research and began to develop new foundations which had implications in regards to the analysis of intimate relationships.

Leading rhetorical theorists included John Quincy Adams of Harvard who advocated the democratic advancement of rhetorical art.

True multi-player computer games can be considered a simple form of collaboration, but only a few theorists include this as part of CSC.

Important theorists in the sociology of science include Robert K. Merton and Bruno Latour.

Later dualist theorists include Arthur von Oettingen and the early work of Hugo Riemann.

Leading theorists under this school include Daniel Lerner, Wilbur Schramm and Everett Rogers.