— You cannot really call Yakov Abramson a strict teacher in the usual sense of this word,” notices Leonid, “there was no iron discipline and so on. There was a creative atmosphere in the classroom. Of course, it happened that he could give you an F (I remember I got an F once and was very upset). But even in these moments, Yakov Abramson didn’t humiliate a student, didn’t belittle them. The grade meant only that you failed at this moment, but you will definitely make it next time. His demands were high, but he was so into math that we didn’t notice this high bar.