New Revised Standard Version
Now the man who had been healed did not know who it was, for Jesus had disappeared in the crowd that was there.

Contemporary English Version
But he did not know who Jesus was, and Jesus had left because of the crowd.

New American Bible
The man who was healed did not know who it was, for Jesus had slipped away, since there was a crowd there.

Douay-Rheims Bible
But he who was healed knew not who it was: for Jesus went aside from the multitude standing in the place.

But he who was healed knew not who it was: for Jesus went aside from the multitude standing in the place.

he that.

John 14:9 Jesus saith to him: Have I been so long a time with you and have you not known me? Philip, he that seeth me seeth the Father also. How sayest thou: Shew us the Father?

had.

John 8:59 They took up stones therefore to cast at him. But Jesus hid himself and went out of the temple.

Luke 4:30 But he passing through the midst of them, went his way.

Luke 24:31 And their eyes were opened: and they knew him. And he vanished out of their sight.

a multitude being.