This article presents the main aspects of the academic trajectory of Professor Sílvia Tatiana Maurer Lane, from the initial proposal of a critical Social Psychology to the formulation of a project for a socially committed Psychology. Sílvia Lane was a pioneer in theoretical propositions which questioned mainstream Brazilian Social Psychology, emphasizing the need to expose its ties with the dominant economic and political interests and redirecting its production towards social transformation. In her career trajectory she brought together theory and praxis, contributing to the revision of concepts and methods, and to the organization of this area of knowledge. She worked tirelessly in various fronts to produce a Social Psychology that could recognize the historical character of social and human phenomena and that conceived people as active and historical beings. The text begins by situating her remarkable presence, within this critical perspective, in Brazilian and Latin American Social Psychology. In sequence, it presents the main characteristics of her theoretical production concerning the development of a Socio-Historical Social Psychology. At the conclusion, it emphasizes her role in consolidating a Psychology that is intrinsically compromised with Brazilian and Latin-American realities; being familiar with this reality, she contributed to the construction of theoretical-practical instruments for its transformation in the direction of a society based on justice and equality. To put is in a different manner, the development of a socially committed Psychology.
Socio-Historical Psychology; social compromise; history of Social Psychology