University professor, Mostafa Ahmadi-Roshan, who was in the car with two passengers, was killed in the blast.
The two injured passengers of the car were taken to a hospital.
The explosion took place after a motorcyclist stuck a bomb on the side of the car, a Peugeot 405, in Ketabi square in eastern Tehran, this morning.
A security official told IRNA that the incident looked like previous terrorist attacks on nuclear scientists by agents of the Zionist regime.
1422**1422Islamic Republic News Agency/IRNA NewsCode: 30759781