| HOYLE | Fred -; astronomer noted for contributions towards the theory of stellar nucleosynthesis (5) |
| LODGE | Den of a beaver; a gatekeeper's cottage; or a physicist noted for contributions towards electromagne |
| BOHR | Niels -; scientist awarded a Nobel Prize for contributions towards the understanding of quantum theory and atomic structure (4) |
| ECCLES | John -; co-recipient of a Nobel Prize for his contributions towards the understanding of synaptic transmission in the brain (6) |
| INPUT | I made a contribution towards the building of this youth centre in Plymouth last August (5) |
| TITHE | Tenth of farm produce in a parish, taken originally as tax or contribution towards the church and clergy (5) |
| ARROW | Kenneth -; economist co-awarded a Nobel Prize for contributions towards general economic equilibrium theory (5) |
| ROSIE | ___ Atkins, Gardens Illustrated's first editor, awarded the RHS Elizabeth Medal of Honour in 2024 for contribution to horticulture (5) |
| EHRLICH | Paul -; German scientist who shared a Nobel Prize with Elie Metchnikoff for contributions towards immunology (7) |
| OMARKHAYYAM | Persian poet, mathematician, and astronomer, noted for the Rubaiyat, a collection of quatrains, popularised in the West by Edward FitzGerald |
| STRUVE | Otto -; Russian-born US astronomer noted for his studies in stellar spectroscopy and discovery of ionised interstellar hydrogen (6) |
| STAR | Any one of the celestial bodies in which atomic nuclei bind to form many of the chemical elements in the process of nucleosynthesis (4) |
| HUBBLE | Edwin, U.S. astronomer noted for his investigations of nebulae (6) |
| MESSIER | Charles, French astronomer noted for his catalogue of nebulae and star clusters (7) |
| MAHATMAGANDHI | . . . for contributions toward nonviolent change |
| REDGIANT | Any of a number of large, cool stars in a late phase of stellar evolution (3,5) |
| STARBURSTS | Patterns of lines radiating from light sources; or, periods of intense galactic activity involving the formation of stellar objects (10) |
| MARCONI | 1909 Nobelist for contributions to the invention of radio |
| IRON | An element created by nucleosynthesis and present in the body's haemoglobin; or, an appliance used for pressing laundered linen (4) |
| SEABORG | Nuclear chemist noted for his contribution towards producing nine elements (including plutonium and nobelium) in a cyclotron (7) |