Iranian Mathematical SocietyJournal of the Iranian Mathematical Society2717-16124120230101A tribute to Prof. O. A. S. Karamzadeh1417136110.30504/jims.2023.394235.1107ENM. R.DarafshehSchool of mathematics, statistics and computer science, College of science, University of Tehran, Tehran, Iran.0000-0002-5539-4989Journal Article20230422It gives me a great pleasure to write this short note about my meetings with prof. Karamzadeh. Of course his mathematical contribution will be mentioned by the experts. All dates given are according to the Iranian calendar.https://jims.ims.ir/article_171361_fec2797052ff5da9f0974784ce1ba8f8.pdf