Tawassul, ibn Taymiyah and abdul Wahab

Question:

Salam shaykh I have 3 questions:

1) Is the hadith of Adam (A.S) making tawassul of the prophet (pbuh), authentic? who accepted this hadith, did any of the four imams accept it?
2) Who is ibn Taymiyah, what does he say, what do the Sufis say about him and also he rejects this hadith, why?
3) Who is abdul Wahab and what did he do and what is his background?

Answer:

`Alaykum Salam, see respectively:

1. PDF File
2. Ahmad ibn Taymiyya
3. Wahhabism: Imam Muhammad Abu Zahra Explains

Hajj Gibril Haddad