| STELLER | Georg Wilhelm ___, an 18th century scientist after whom an eider, sea eagle and sea cow were named (7) |
| REICH | Wilhelm ___, an Austrian-American psychiatrist and psychoanalyst portrayed by "37" in a video for Kate Bush's song Cloudbusting |
| ERNE | Sea eagle and Northern loch (4) |
| UDDERS | Down below, the cows were disturbed and left a bit shaken |
| VOLTA | Italian scientist after whom an electrical unit is named |
| SOMERVILLE | Mary ---, pioneering Scottish scientist after whom an Oxford college is named |
| ISAACNEWTON | 17th-century scientist known for his achievements in optics, gravitation and mathematics (5,6) |
| DOWNY | Like an eider |
| DOWN | Fluffy layer under an eider, swan or goose's contour feathers (4) |
| DARWIN | Charles ___, 19th-century scientist who studied evolution (6) |
| HOOKE | Robert ___, influential 17th-century scientist (5) |
| WADDLE | ... bunk, not taking the first step of an eider? (6) |
| MOHS | Friedrich ___, German scientist after whom a scale for expressing the hardness of minerals is named |
| VANALLEN | James ___, American space scientist after whom two belts of radiation around the Earth are named (3,5) |
| ABNEY | William de Wiveleslie ?, scientist after whom the surveying instrument a topographic ? level is named (5) |
| BOYLE | Irish-born scientist after whom a law concerning the behaviour of gases is named |
| NIKOLATESLA | Serbian-American inventor and electrical engineer after whom an American electric car manufacturer is named (6,5) |
| TESLA | Nikola - - -, Serbian-American inventor and electrical engineer after whom an American electric car manufacturer is named (5) |
| FROBISHER | Martin ---, 16th-Century English sailor after whom an inlet of the Atlantic in Northeast Canada is named (9) |
| GALILEOGALILEI | Italian scientist after whom Pisa International Airport is named (7,7) |
