Muhammad ibn al -Hasan al -Radhi al -Astrabahi, Najm al -Din died 686. Muhammad ibn al -Hasan al -Radhi al -Istrabadi, Najm al -Din died 686. Muhammad ibn al -Hasan al -Radhi al -Astrabahi, Najm al -Din died 686. Muhammad ibn al -Hasan al -Radhi al -Astrabahi, Najm al -Din died 686. Muhammad ibn al -Hasan al -Radhi al -Istrabki, Najm al -Din died 686