The series of Muslim scholars (Al-Khazin) the physicist astronomer

My name is Abu Al-Fath Abdul Rahman bin Mansour Al-Khazni Al-Shuhra Al-Khazni. Expert in mathematics, physics, and astronomy. I mentioned laws of physics in my book "Mizan Al-Hikmah" and explained the theory of Earth's gravity. There is an identification card at the end of the book.