Began academic career at the University of Chile

By 1979, María Teresa Ruiz was serving as an academic in the Department of Astronomy at the University of Chile, a role that would anchor decades of teaching and research. The exact month and day are not documented in the sources provided, so the event is recorded with a year placeholder only.

This appointment mattered because Chilean astronomy was still consolidating its institutional base, and Ruiz became part of the generation that helped professionalize it. Her academic work and mentorship helped shape the field at a time when local infrastructure for astronomical research was much smaller than that of major international centers. She later rose to senior academic rank and became a leading figure in the field at the university.

Her presence in the department also carried broader significance for women in science. As one of the most prominent women astronomers in Chile, Ruiz became a visible example of scientific authority in a discipline where women had been underrepresented. Her career combined research, teaching, and scientific outreach, helping build not just knowledge but also the institutions and communities that sustain knowledge over time.