[1] Born in Berlin, Germany, he fled the Nazi regime with his Jewish family in 1935, first moving to Switzerland and then to London, before emigrating to the United States in 1941.
The framework helped to spawn a research literature and debate on the multifaceted nature and measurement of mutuality (aka closeness) and the factors that promote its development, on the one hand, and undermine it, on the other.
[3] Two other papers on pair "cohesiveness" proposed a model for explaining why some couples stay together even though partners find themselves in an "empty-shell" relationship.
[4] In contributing to the subsequent multi-authored theoretical book Close Relationships, Levinger's chapter on "Development and change" focused on the longitudinal sequence from Acquaintance to Buildup to Continuation to possible Deterioration and Ending, and the transitions between those phases.
In 1990, the International Society for the Study of Personal Relationships[5] gave Levinger its first Distinguished Career Contribution Award.