Nabil T. M. El-dabe received two bachelor’s degrees in mathematics from the Faculty of Education and the Faculty of Science, respectively, Ain Shams University, Cairo, Egypt, in 1970 and 1972, respectively, the M.S. degree from the Girls College, Ain Shams University, in 1975, and the Ph.D. degree from the Faculty of Science, Assiut University, Assiut, Egypt, in 1980. From 1970 to 1974, he had been a Demonstrator, from 1975 to 1979, he had worked as an Assistant Lecturer, from 1980 to 1984, he had worked as a Lecturer, from 1985 to 1989, he had worked as an Assistant Professor, and from 1990 to 2009, he had worked as a Professor at the Department of Mathematics, Faculty of Education, Ain Shams University. Also, from 1999 to 2005 and 2006 to 2009, he had been the Head of the Department of Mathematics, Faculty of Education, Ain Shams University. From 2007 to 2008, he had been the Director of the Center of Development and Teaching Science, Ain Shams University. Since 2009, he has been an Emeritus Professor with the Faculty of Education, Ain Shams University. Furthermore, he had been the Head of the Department of Mathematics, Junior College and Teachers College, Saudi Arabia, from 1983 to 1988 and from 1994 to 1999. Dr. El-dabe has also received the Amin Loutfy Prize in 1989, one of the Egyptian encouragements prizes in scientific fields. He serves as a reviewer for several applied mathematics journals, with over 300 papers in prestigious journals.