Evangelina Estrada Kalaw ( June 16 , 1920 – May 25 , 2017 ) was a Filipino stateswoman who served as a Senator in the Senate of the Philippines from 1965 – 1972 during the presidency of Ferdinand Marcos . She was one of the key opposition figures against Marcos ' 20-year authoritarian rule and was instrumental in his downfall during the People Power Revolution . As a senator , she authored several laws relating to education in the Philippines , such as the salary standardization for public school personnel , the Magna Carta for Private Schools , the Magna Carta for Students , and an Act to institute a Charter for Barrio High Schools . She was also among the Liberal Party candidates injured during the Plaza Miranda bombing on August 21 , 1971
Plaza Miranda bombing
Plaza Miranda bombing
Eva Estrada Kalaw