How is an amicus curse brief different then a typical written brief

An amicus brief is different from a normal brief in that it is written by someone that has interested in the topic but is not party to the lawsuit. Amicus briefs are known as "friend of the court" briefs and they serve to educate.

hi, according to my research the answer to the first question would be false. al tabari was the author of the first medical encyclopedia & he was a persian scholar not arab