800px-Ángela_Ruiz_Robles_(MUNCYT,_Eulogia_Merle).jpg Hertha Marks Ayrton2PiktogramosÁngela Ruiz RoblesHertha Marks Ayrton2PiktogramosÁngela Ruiz RoblesHertha Marks Ayrton2PiktogramosÁngela Ruiz RoblesHertha Marks Ayrton2PiktogramosÁngela Ruiz RoblesHertha Marks Ayrton2PiktogramosÁngela Ruiz RoblesHertha Marks Ayrton2PiktogramosÁngela Ruiz RoblesHertha Marks Ayrton2PiktogramosÁngela Ruiz Robles
Source image: https://commons.wikimedia.org/wiki/File:%C3%81ngela_Ruiz_Robles_(MUNCYT,_Eulogia_Merle).jpg

Angela Ruiz Robles (March 28, 1895 Villamanín, Leon - October 27, 1975, Ferrol, A Coruña) was a Spanish teacher, writer, pioneer and inventor of the mechanical precursor to the electronic book. In 1949, Ruiz was awarded Spanish patent 190,698 for the "Mechanical Encyclopedia" (Spanish: la Enciclopedia Mecánica).

https://en.wikipedia.org/wiki/%C3%81ngela_Ruiz_Robles

https://es.wikipedia.org/wiki/%C3%81ngela_Ruiz_Robles
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Eulogia Merle (MUNCYT)
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Women in STEM