Who Divided Up Qur’an into Surahs and Verses?

In this episode, Dr. Qadhi discusses the following questions: Where did the names of Surahs come from? Who did divide up the Qur’an into Surahs and ayahs?
What is the meaning of A`udubillahi Min Ash-Shaitaan Ar-Rajeem (the Isti`adhah)?