She is known for her work on medals and for devising the idea of creating plaster casts as splints for broken limbs during the First World War.

Hallé studied sculpture at the Slade School of Fine Art under Alphonse Legros.

[2] Hallé did the modelling for a number of important awards[1] and this included the 1890 Royal Geographical Society Medal.

The association supplied medical dressings and had been created by Queen Mary’s Needlework Guild.

The anatomically correct papier-mache splint reduced the healing time while supporting the broken bone.