OOOPS!!! Sorry about that.
It has indeed been removed.
Many thanks Dude and Chris for your time and advice.
That has successfully removed the Author box.
However, the ‘Leave a Reply’ box is still there. It doesn’t appear to be in single.php
Can you advise?
Thanks. Happy now.
I had really meant the whole block but your pointer set me on the correct path and I found the relevant code.