The Reference Desk/doctor who magazine issue 521 crossword

From Tardis Wiki, the free Doctor Who reference

It's been a while since i've had problems with the crossword, but here we go again with useless unsolvable clues. I doubt if any one can help, but do your best if you can.

24 across - Bill bought one for the Doctor : answer - R??

25 down - the original name for mr ratcliffe : answer - ???m?r