The philosopher that believed that sense perceptions and observations re essential for knowledge is :
Socrates
By having own perceptions and observations , a person could create a better understanding about the knowledge and formed some sort of method for themselves
hope this helps
I assume you mean the Golden Islamic time from 8th to 13th century!
During this time, Islamic scholars were among the world's best. Among others they:
made achievements in maths (which is why algebra and algorithm are arabic words)
worked on scientific experiment as a technique to pursue knowledw
had some advancements in astrophysics (first reference to Andromeda Galaxy!
had a lot of advances in medicine, such as study of blood circulation, and of nervous system
Answer:
1 september 1939 - 2 september 1945
Explanation: