|Full Name||Ahmad b. al-Husayn al-Ghada'iri al-Wasiti al-Baghdadi|
|Teknonym||Abu l-Hasan, Abu l-Husayn|
|Well-Known As||Ibn al-Ghada'iri|
|Religious Affiliation||Twelver Shia|
|Professors||Husayn b. 'Ubayd Allah al-Ghada'iri, al-Hasan b. Muhammad b. Bindar al-Qummi, Ahmad b. 'Abd al-Wahid|
Abū l-Ḥusayn Aḥmad b. al-Ḥusayn al-Ghadāʾirī al-Wāsițī al-Baghdādī (Arabic: أبوحسین أحمد بن الحسین الغضائري الواسطي البغدادي), known as Ibn al-Ghadāʾirī (Arabic: ابن الغضائري), was a Shi'a Muhaddith (narrator) and scholar of 'ilm al-rijal in 4th/10th and 5th/11th centuries. He was a contemporary of al-Najashi and al-Shaykh al-Tusi. He authored the book al-Du'afa' (the weak ones) in rijal which is also known as Rijal Ibn al-Ghada'iri.
His birthdate is unknown. His father, Husayn b. 'Ubayd Allah al-Ghada'iri, was a Shi'a faqih and scholar in rijal in his time and authored many works. According to rijal and biography books, Ahmad was teacher of al-Najashi and al-Shaykh al-Tusi and they were his companions.
There are two different reports about his teknonym: Abu l-Hasan and Abu l-Husayn.
Words of Other Scholars about Him
Sayyid Muhammad Baqir Khwansari eulogized his characteristics extensively.
Teachers and Students
His teachers are:
- Al-Husayn b. 'Ubayd Allah b. al-Ghada'iri (his father)
- Al-Hasan b. Muhammad b. Bindar al-Qummi
- Ahmad b. 'Abd al-Wahid
- Abu Muhammad Talha b. 'Ali b. 'Abd Allah b. 'Alala
- Abu l-Husayn al-Nusaybi
His most famous work is his book in 'ilm al-rijal; although Shi'a scholars have different viewpoints about the attribution of this book to him or his father. The book is known as al-Du'afa', Kitab fi l-jarh, or Rijal Ibn al-Ghada'iri.
Al-Shaykh al-Tusi attributed two books to him.
Al-Najashi's words imply that Ahmad b. al-Husayn passed away before him. Al-Najashi passed away in 450/1058-9.
In al-Fihrist, al-Shaykh al-Tusi said that Ahmad b. al-Husayn passed away in his youth before he reaches 40.
- The material for this article is mainly taken from احمد بن حسین غضائری in Farsi Wikishia.