Ernestina A. López

In 1901, she earned the first doctorate degree issued to a woman in letters[3] and philosophy from the University of Buenos Aires[1] and in 1902 joined 31 other women including Petrona Eyle, Cecilia Grierson, Sara Justo, her sister Elvira López, Anna Pintos, and Elvira Rawson de Dellepiane to form the Argentine Association of University Women (Spanish: Asociación de Mujeres Universitarias de Argentinas (AMUA), as a means of addressing employment biases against women and female university graduates.

[5] In 1904 López attended the St. Louis World's Fair exposition as Argentina's delegate for the National Council of Education.

She felt that craftswork, being done by large numbers of urban women was better produced in the provinces, as part of the labor force instead of domestic make-work.

[1][14] As President of the Club de Madres, López became a member of the Argentine Government Commission of Child Welfare and worked with her husband on many social programs.

[15] When the governing body of the Pan American Union created the Inter-American Commission of Women at their meeting in Havana on 4 April 1928.