Muhammad ibn Saalih ibn Muhammad ibn ‘Uthaymeen from the Tameem tribe was born in ‘Unayzah in the year 1347AH. He memorized the Qur’aan in his youth and studied the various Islamic disciplines under Shaykh ‘Abdur Rahman ibn Naasir as Sa’dee. Later, he studied Saheeh l-Bukharee and the works of Ibn Taymiyyah under Sahykh ‘Abdul-‘Azeez ibn Baaz in Riyadh.
When Shaykh as-Sa’dee died, al-‘Utheymeen was made the Imaam of the congregational mosque of ‘Unayzah and began teaching in the college of Sharee’ah and Usoolud-Deen in the Qaseem branch of Imaam Muhammad ibn Sa’ood Islamic University, where he remained until he died.
He was appointed to the Council of Eminent Scholars of Saudi Arabia and has written over forty works in various fields. In the field of Aqeedah al-Islaamiyyah, al-Qaswaa’id al-Muthlaa fee Sifaatillah wa Asmaa’ihi ilHusnaa, ‘Aqeedah Ahlus-Sunnah wal-Jamaa’ah, and Sharh al-‘Aqeedah al-Waastiyyah. Among his works translated into English is the classic Explanation of the Thee Fundamental Principles.