// todo need optimize like in event.jsp. Add indexing or not indexing this page. Roger Bacon (27 mar 1214 año – 27 mar 1294 año) (Cinta de tiempo)
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Roger Bacon (27 mar 1214 año – 27 mar 1294 año)

Descripción:

- Promoted chemical remedies to treat disease

- Researched optics and refraction (bending of light rays)

Añadido al timeline:

History of Healthcare

ByBonabell
14 dic 2018

fecha:

27 mar 1214 año
27 mar 1294 año
~ 80 years

Fotos:

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