Engineer from a regional institute received about 100 rubles, worker on a factory about 300 rubles (hehemon class), profesor up to 200 rubles, but profesors from top Moscow univs received 800-2000 rubles of hiden salary.

I heard something about 160 ruble a month student stipend. Although, maybe the parents were supplementing, but he said he had to pay them back for rent.

Maybe it was 80 come to think of it.