Mei Li:
For what disease did Jonas Salk invent a vaccine??
Shuai Zheng:
polio
Mei Li:
Who is the most important prophet in Islam??
Shuai Zheng:
muhammad
Mei Li:
Which composer (1874 - 1951) first used the Dodecaphonic Scale in his later works??
Shuai Zheng:
arnold schoenberg