| HYPNOTISM | Scottish surgeon James Braid was pioneer in this field (9) |
| ALTON | Hampshire club with nine holes designed by James Braid (5) |
| MUNGO | ___ Park, 1771-1806, Scottish surgeon and explorer who went to Africa to discover the course of the River Niger (5) |
| BALLOONING | US aviator Ed Yost was a pioneer in this activity (10) |
| HERRIOT | James --, pen name of the veterinary surgeon James Alfred Wight (7) |
| GUSTON | Philip, painter and muralist born in 1913 who was pioneer of neo-expressionism (6) |
| FERMI | Pioneer in this puzzle's theme |
| WARSAW | In which European city was pioneer American film maker Samuel Goldwyn born? (6) |
| ALLCREATURESGREATANDSMALL | BBC TV series based on the books of veterinary surgeon James Herriot (3,9,5,3,5) |
| AVIATION | Orville and Wilbur Wright were pioneers in this science and practice of flight |
| ECONOMICS | Coins come into this field of study (9) |
| ARCHAEOLOGY | One of the major innovators in modern Arab art, Dia al-Azzawi graduated from Baghdad University with a degree in this field, which put him in direct contact with ancient civilizations of the Middle Ea |
| MOLECULARBIOLOGY | The discovery of DNA’s double helix was a major achievement in this field |
| PHYSICS | Unusually pushy to exclude university backing for science in this field (7) |
| DOMAIN | Assume I am up in this field of knowledge (6) |
| PALAEONTOLOGY | Ross Geller from Friends holds a PhD in this field of study (13) |
| REALM | It's true, many are in this field of activity |
| GENETICS | Gregor Mendel's work with the principles of heredity made him famous in this field of science |
| BATTLE | This dress is worn on this field (6) |
| KEEPOFFTHEGRASS | "Walking on this field is taboo" |
