| CRAMPED | Restricted the development of |
| BODICE | Only a couple of bookies gamble - may this have restricted the figure? (6) |
| KLAUS | Physicist convicted in 1950 of passing information to the Soviet Union about the development of the atomic bomb in the US (5,5) |
| FUCHS | Klaus ?, physicist convicted in 1950 of passing information to the Soviet Union about the development of the atomic bomb in the US |
| SUGER | Advisor to both Louis VI and Louis VII whose supervision of the rebuilding of Saint-Denis as its abbot was key in the development of the Gothic architectural style (5) |
| IBNMUQLAH | Who is associated with the development of naskhi script, the most popular style of cursive in the Arab world? |
| MARCONI | Italian physicist and inventor of a successful wireless telegraph (1896); he later worked on the development of shortwave wireless communication, which constitutes the basis of nearly all modern long- |
| BOLTZMANN | Austrian physicist who contributed to the kinetic theory of gases and the development of statistical |
| ETYMOLOGIST | One who studies the origins of words and the development of their meanings |
| GESTATION | The development of the embryo of a viviparous mammal between conception and birth (9) |
| ECONOMICS | English jokers welcoming switch to the study of the development of capital (9) |
| CUTTINGEDGE | Latest or most advanced stage in the development of something, as in trimming the sides of a lawn! (7,4) |
| LITHIUMION | In 2019 John B. Goodenough, M. Stanley Whittingham, and Akira Yoshino won the Chemistry Nobel for the development of what kind of batteries? (7-3) |
| LIST | Winner of the 2021 Nobel, together with David MacMillan, for the development of asymmetric organocatalysis (last name only) |
| RIGHT | 'The ---', 1983 film about the development of the US space programme (5) |
| STUFF | 'The ---', 1983 film about the development of the US space programme (5) |
| YOUTH | Stage of adolescence between childhood and maturity; juveniles collectively; or, the early days in the development of something (5) |
| SEMINAL | About to see the start of the development of things (7) |
| ONTOGENESIS | The sequence of events involved in the development of an individual organism |
| CORELLI | Italian Baroque composer whose music was the key to the development of the sonata and concerto |
