41
/
AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
May 31, 2026
641003
194848
2
Create a timeline
Public Timelines
For organizations
For companies
For educational institutions
For teachers
For students
Dashboard
For educational institutions
For teachers
For students
Dashboard
FAQ
Close
Create a timeline
Public timelines
FAQ
About & Feedback
Terms
Privacy
FAQ
Support 24/7
Dashboard
Get premium
Donate
Roger Bacon (mar 27, 1214 – mar 27, 1294)
Description:
- Promoted chemical remedies to treat disease
- Researched optics and refraction (bending of light rays)
Added to timeline:
History of Healthcare
By
Bonabell
14 Dec 2018
0
0
778
Date:
mar 27, 1214
mar 27, 1294
~ 80 years
Images:
About & Feedback
Terms
Privacy
FAQ
Support 24/7
Dashboard
Get premium
Donate
The service accepts bank transfer (ACH, Wire) or cards (Visa, MasterCard, etc). Processed by Stripe.
Secured with SSL