| SIGMUND | Pioneer of 24 (7,5) |
| LICHTENSTEIN | Roy -, US pioneer of Pop Art |
| EDWARDJENNER | English physician and pioneer of smallpox vaccine, d1823 (6,6) |
| HILMAAFKLINT | Swedish painter and mystic who was a pioneer of abstract painting |
| GERICAULT | The work of which French painter, a pioneer of the Romantic Movement, includes The Raft of the Medus |
| TIPU | ___ Sultan - ruler of the Kingdom of Mysore and a pioneer of rocket artillery |
| NIGHTINGALE | English pioneer of the profession of nursing, Florence ... |
| RORSCHACH | Pioneer of the use of inkblots in psychiatry |
| BAIRD | Scottish pioneer of the invention of television |
| MARIECURIE | Pioneer of the use of X-rays on WWI battlefields |
| DORRITBLACK | A pioneer of Modernism in Australia, painter of The Bridge (1930) |
| SMITH | Another pioneer of Modernism in Australia, painter of The Bridge in Curve (1930) (5,10,5) |
| GRACECOSSINGTON | Another pioneer of Modernism in Australia, painter of The Bridge in Curve (1930) (5,10,5) |
| JOHNFIELD | Irish composer (1782-1837), pioneer of the Romantic style of piano music, especially nocturnes |
| BLISTERY | Pioneer of antisepsis breaks through with effects of chafing or burns? |
| BABBAGE | Pioneer of computers that made a lot of notes |
| TALBOT | Surname of a 19th-century British pioneer of photography (6) |
| PICASSO | Spanish-born painter of Guernica and pioneer of Cubism, Pablo ... |
| GALLUP | Father of all polls (well, pioneer of statistical analysis, then) |
| SUNYATSEN | 'Pioneer of the revolution' that overthrew China's Qing (Manchu) dynasty in the early years of the 20th century (3,3-3) |