Sheikh Saduq, Tusi and other Shiite scholars have included Ibn Rahwayh among the companions of Imam Reza (AS). He is a renowned hadith scholar and jurist of the second century who was born in "Maru" and after enduring hadith from the sheikhs of Khorasan, he went to Iraq, Hijaz, Yemen and Syria to receive the sciences of the Quran and hadith and settled in Nishapur and engaged in teaching and publishing hadith and was buried there. He is considered an important intermediary between the hadith school of Khorasan and other hadith schools and became famous as "Amir al-Mu'minin fi al-Hadith" due to his fundamental role.
The present study, using a descriptive-analytical method and based on historical and genealogical sources, has examined his position in terms of reliability, sheikhs, students, and works. The findings of the study show that he has at least three fundamental and valuable roles in relation to Imam Reza (AS). First, as the Imam approached the city of Nishapur, he mobilized and led thousands of people from Nishapur to the village of "Moayyidiyya" to welcome Imam Reza (AS) and took his compound reins in hand in order to glorify him; and second, although he is one of the professors of the Caliphate school of Sahih writers, he earnestly, persistently, and far from scientific arrogance, requested the Imam to report a documented and enlightening hadith; Thirdly, he narrated the phrase “under the conditions and conditions, and I am one of the conditions” that he had heard from the Imam; a statement that is named after the Hadith of Ghadir II and contains the conjunction of monotheism and Imamate. Although the books of the Hadith of the Imamate and Caliphate school have narrated the Hadith of “Silsilat al-Dhahab Hisn” with various chains of transmission and texts, the only