Name : Tawassul Mahadi Gassim Mahadi

Nationality : Sudanese .

Birth date : 4/11/1973.

Marital Status : Married with 2 children ( 2 girls) .

Languages: Arabic , English .

Address: University of Khartoum Faculty of Education , Department of Biology .

Phone Number: 0912365778 .

E-mail :tawassul123@yahoo.com