| BENTLEY | Wilson -; meteorologist who was a pioneer in the field of snowflake photomicrography (7) |
| ARIZ | Home of Snowflake, which, ironically, gets very little snow: Abbr. |
| ACIS | Genus of snowflake flowers (formerly Leucojum) - held by pharmacist (4) |
| SIX | Number of snowflake points |
| KEROUAC | Jack ____ was a pioneer in the literary Beat Generation |
| ISADORA | ____ Duncan, U.S. dancer who was a pioneer in modern expressive dance (7) |
| CRYSTAL | From the Greek for "ice, frost", an array of atoms forming a polyhedral solid, such as a diamond, moonstone, piece of rock salt or a snowflake (7) |
| DNA | Nobel prizewinner for medicine Maurice Wilkins was a pioneer in the discovery of this structure of l |
| LESPAUL | American jazz guitarist and pioneer in the development of the solid-body electric guitar (3,4) |
| ICECUBE | Drink chiller or Are We Done Yet star who was a pioneer of gangsta rap with his band NWA (3,4) |
| BUNTING | The act of pushing; a tipcat-like game; a "snowflake" or yellowhammer; fabric for ships' colours; or, flags for boats or for decoration collectively (7) |
| SYNTHESISER | Jean Michel Jarre was a pioneer in the use of this electronic musical instrument |
| VERDI | Venerated Italian composer, a pioneer in the eld of opera, made a senator in 1874 (5) |
| SHELLEY | Her first novel made her a pioneer in modern science fiction |
| LACLEDE | Early French pioneer in the United States |
| ORGANIC | Michel Eugène Chevreul, whose work on fatty acids revolutionised soap making, is seen as a pioneer in ____ chemistry |
| PIERLUIGINERVI | Italian architect, a pioneer in the use of reinforced concrete (4,5,5) |
| MENDEL | Austrian botanist Gregor (1822-84) who was a pioneer in genetics |
| COHN | German botanist Ferdinand (1828-98) who was a pioneer in bacteriology |
| FRACTAL | Infinitely recursive figure such as the Koch snowflake |