// todo need optimize like in event.jsp. Add indexing or not indexing this page. Roger Bacon (27 март 1214 г. – 27 март 1294 г.) (Лента времени)
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Roger Bacon (27 март 1214 г. – 27 март 1294 г.)

Описание:

- Promoted chemical remedies to treat disease

- Researched optics and refraction (bending of light rays)

Добавлено на ленту времени:

History of Healthcare

ByBonabell
14 дек 2018

Дата:

27 март 1214 г.
27 март 1294 г.
~ 80 years

Изображения:

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