Abdullaah bin Mas’ood رضي الله عنه
He was the great Companion of the Messenger of Allaah (صلى الله عليه وسلم), Abdullaah bin Mas’ood bin Ghafil bin Habeeb (رضي الله عنه), died in 32 A.H. in Madina and Zubair led the funeral prayer and was buried in Baqi’.
He was the sixth person to embrace Islaam even before Umar bin Khattab – Radi Allaahuanhu. The Messenger of Allaah (صلى الله عليه وسلم) testified to his place in Paradise‘Alee (صلى الله عليه وسلم) mentions that the Messenger of Allaah ordered Ibn Mas’ood to climb up a tree to bring something down from it, and his companions looked at the shins of Abdullaah bin Mas’ood while he was climbing the tree, and they began to laugh at the thinness of his shins! So the Messenger of Allaah said: ‘What causes you to laugh?! The leg of Abdullaah is heavier in the scales on the Day of Judgement than mount Uhud.’
[Recorded by Imaam Ahmad in his Musnad and authenticated by Shaykh Ahmad Shakir(920)]
Abdullaah bin Mas’ood was of the great recitors of the Qur’aan, it was said that he was one of the closest in guidance to the Messenger of Allaah (صلى الله عليه وسلم)
[Taken from Siyaar ‘Alaam an-Nubalaa (Ibn Hajar) & Thahdheeb at thahdheeb (adh-Dhahabee), Compiled & Translated By Abbas Abu Yahya]