Mr. Ausama Abdulwahab Safar has successfully defended his dissertation at the college of education, biology department, 24/11/2019. The title of his study was “Isolation, Identification and Biological Activities of Essential Oil Components from Tagetes patula L. and Tagetes erecta L. Raised in Erbil”, under the supervision of Asst. Prof. Dr. Anwar Othman Ghafoor. The biology department has warm congratulation to him.