| GELLMANN | Murray ___, US physicist who investigated and named the quark; Nobel Prize in Physics (1969) (4-4) |
| GELL | 'Quarks' Nobel winner for Physics, Murray ___-Mann (b.1929 - d.2019) |
| WENTINTO | Investigated and turned up modern colour, then old (4,4) |
| CHAMBERLAIN | Owen ___, US physicist who discovered the antiproton with E. G. Segre in 1955, and with him shared the 1959 Nobel Prize in Physics (11) |
| GLASER | "Donald Arthur___", US physicist who invented the bubble chamber and received the Nobel prize in 1960 (6) |
| STUDIED | Investigated and analysed in detail (7) |
| SPENCER | Percy ___, US physicist who patented the microwave oven (eventually called the Radarange) in 1945 (7) |
| EINSTEIN | US physicist who formulated a theory of relativity (8) |
| ENRICOFERMI | Italian-born US physicist who directed the first controlled nuclear reaction in 1942; Nobel Prize for Physics (1938) |
| FEYNMAN | Richard ___, US physicist noted for his research on quantum electrodynamics; Nobel Prize for Physics (1965) |
| ADAMSEDGWICK | 19th-century English geologist who proposed and named the Cambrian period, part of the Palaeozoic era (4,8) |
| ARTHUREVANS | English archaeologist who discovered and named the Bronze Age Minoan civilisation of Crete in the early 20th century (6,5) |
| SEGRE | "Emilio Gino ___", Italian born US physicist who produced the first artificial element, technetium (5) |
| AMPERE | French physicist who invented and named the solenoid in 1823 (6) |
| POIROT | Surname of the sleuth who investigated the Murder on the Orient Express (6) |
| ALVAREZ | Luis ___, US physicist and Nobel Laureate (1968) (7) |
| DEBYE | Peter ___, Dutch-born US physicist awarded the Nobel Prize for Chemistry in 1936 for his work on dipole moments (5) |
| EVANS | Sir Arthur ___, British archaeologist, who excavated Knossos and named the Minoan civilisation (5) |
| MARPLE | Surname of the sleuth who investigated the 4.50 from Paddington (6) |
| OWENCHAMBERLAIN | US physicist and Nobel Prize-winner, 1920-2006 (4,11) |