| COPENHAGEN | Play by Michael Frayn about the physicists Bohr and Heisenberg (10) |
| DANISH | Nationality of the physicists Bohr and Oersted |
| ENROLMENT | College figure and Heisenberg at centre spilled Merlot over new head (9) |
| WEIMAR | Home to Planck, Einstein and Heisenberg when they won their Nobel Prizes |
| AVOGADRO | The physicist's bible: a good read at first, surprisingly |
| NOISES | ___ Off, 1982 play by Michael Frayn that contains the play-within-a-play Nothing On |
| AFTERLIFE | 2008 play by Michael Frayn based on the life of Max Reinhardt (9) |
| NOISESOFF | 1982 stage play by Michael Frayn (6,3) |
| DONKEYSYEARS | 1976 play by Michael Frayn (7,5) |
| PLOTPOINTS | Oppenheimer meeting Heisenberg, the Trinity test, and Lewis Strauss's confirmation hearing, in "Oppenheimer" |
| SPIES | Novel by Michael Frayn, author of Towards the End of the Morning, Headlong and the play Copenhagen (5) |
| GREATDANES | Niels Bohr and Hans Christian Andersen? |
| AVERYPRIVATE | 1968 novel by Michael Frayn (1,4,7,4) |
| SKIOS | 2012 novel by Michael Frayn |
| TOWARDS | ____ the End of the Morning is a 1967 Michael Frayn novel about newspaper staff working on crosswords and other miscellaneous content |
| ALIBI | 1928 play by Michael Morton, based on The Murder Of Roger Ackroyd by Agatha Christie (5) |
| TRINITY | A constituent college of the University of Cambridge, attended by 32 Nobel laureates including Lord Rayleigh, Niels Bohr and George Paget Thomson (7) |
| HYDROGENBOMB | By God! Bohr and men designed nuclear weapon (8,4) |
| OFF | 1982 Michael Frayn play (6,3) |
| UNCERTAINTYPRINCIPLE | Enunciated by Werner Heisenberg in 1927, what places an absolute, theoretical limit on the combined |
