Professor Rudolf Alexandrov Philadelphia, where he has taught more than one window, while the second run and committed suicide by jumping floor.

Mathematics professor Rudolf Alexandrov (71), about 100 students, put an end to life before their eyes. Russian-born professor, teaches at the University at the time of Chestnut Hill, suddenly screamed and ran to the window and left the space itself.

Catastrophic event was also witnessed in the same school that his wife, Olga.

Police, announced that Alexandrov'un depressed for a while.

Management courses at the school has not been canceled but the event was to give psychological support to affected students and teachers.