Dr. Saeid Jafar has been working in the Mathematics and Philosophy Department at the College of Vestsjaelland South in Slagelse, Denmark, since 1994. He completed his thesis in 1996, which consisted of several published papers in peer-reviewed internationally reputed mathematical journals. In 2004, he received his Dr. rer. nat. from Technische Üniversität Graz under the supervision of Prof. Dr. M. Ganster. Professor Jafari has been performing research since 1993 in topology, fuzzy and digital topology, functional analysis, and mathematical physics (see https://www.researchgate.net/profile/Saeid-Jafari-7 ). He has more than 30 years of teaching and research experience. He has published more than 400 research papers and is a member of the editorial board of several mathematical journals. He has performed review works for more than 20 journals and also for the Zentralblatt and Mathematical reviews. He has been an external examiner of more than 60 Ph.D. students, mostly from India. He has been invited as a speaker at several international conferences and workshops in mathematics. He is the founder of the research center Mathematical and Physical Science Foundation in Slagelse, Denmark (www.topositus.com).