Prof. Mohamed Diaa Zain El-Abedeen, President of Ain Shams University; Prof. Ghada Farouk, Vice President for Community Service and Environmental Development; Prof. Amany Osama Kamel, Vice President for Graduate Studies and Research; and Prof. Rami Maher Ghali, Vice President for Education and Student Affairs, extend their sincere and heartfelt congratulations on tonor Day.