Ginzburg was the former head of the theory group at the PN Lebedev Physical Institute in Moscow.

BBC: Magnet repelled over superconductor, SPL

David Miliband: Well, the good thing is that we don't have to just think about this in theory in my head or yours, we can look in practice on the ground.

BBC: Politics Show, Sunday 23 October 2005

If the Supreme Court rules against the general, the head on the block could in theory be the general's rather than Mr Sharif's.

ECONOMIST: The familiar conflict between justice and retribution