The article presents the life and work of Carmen de Burgos Seguí, a Spanish pedagogue of the 20th century. Carmen de Burgos was a primary school teacher and a normal school teacher, as well as a lecturer, journalist, translator, and author of several books and newspaper articles. She was an advocate for women's education, a precursor of civic rights, a feminist, a republican, and a freemason. Her work and activism led her to be recognized in Europe and America. The article focuses on her pedagogical and feminist ideas, as well as her trajectory and contributions in the field of education. [Extracted from the article]