| UNDERMINING | Eroding the foundation (of) |
| DIPLOMAT | The International Day of ____s takes place on the anniversary of the foundation of the UN |
| TREE | Author of Wilding ; the foundation of a saddle; or, any one of a series of organisms growing in an arboretum (4) |
| PAVLOV | Russian physiologist whose studies of the salivation rate among dogs led to the foundation of classical conditioning (6) |
| UNDERPINNING | The process of strengthening the foundation of an existing building (12) |
| ALFRED | Which king of Wessex is credited with the foundation of the English navy? (6) |
| SOLFERINO | The 1859 battle which inspired the foundation of the Red Cross |
| YOUTH | "The foundation of every state is the education of its ___": Diogenes |
| SLOANE | Irish physician whose 1753 bequest became the foundation of the British Museum and the Natural History Museum |
| HANS | Irish physician whose 1753 bequest became the foundation of the British Museum and the Natural History Museum |
| ICLAUDIUS | Novel with the line "My birth occurred in the 744th year after the foundation of Rome by Romulus" |
| PASTEUR | French microbiologist Louis ___, known for his breakthrough work on the spread of diseases and for setting many of the foundations of public health |
| MENDEL | Gregor ---, Augustinian priest and scientist whose study of pea plants led to the foundation of genetics (6) |
| INDIA | World's second-most populous country, where modern polo originated in 1859 with the foundation of the sport's first club in Silchar (5) |
| CRUST | Before the sauce and cheese: It's the foundation of a pizza |
| COMPOSER | "The modern ___ builds upon the foundation of truth": Claudio Monteverdi (8) |
| CAVENDISH | Experimental scientist who first recognised hydrogen as a distinct element and was instrumental in the foundation of the Royal Institution (9) |
| NEGLIGENCE | A decomposed snail in a ginger beer bottle in 1928 led to the case which laid the foundation of laws about ____ |
| ALDER | Wood that makes up the foundation of much of Venice |
| FOOTING | Secure grip with one's pedes; the foundation of a column or a wall, thus the basis upon which something is founded; one's standing in relation to others; a dance; or, plain lace (7) |
