John Cavanagh

Early life John Cavanagh strongly identified as Irish, telling reporters that he was born in County Mayo, although his obituary in The Times states he was born in London. Through trial and error, Cavanagh rose to become supervisor of Molyneux's London branch, before becoming his personal assistant in Paris, where he learned how the haute couture business worked. He was demobbed in 1946, and the following year became a design assistant for Pierre Balmain, for whom he worked until 1952.

His first collection was greeted enthusiastically by the fashion reviewer of The Times, who said: "He used some of the best fabrics to be found on both sides of the Channel, with a minimum of seams and maximum play with the grain of the materials themselves". The collection included boleros in piqué for daywear and satin for evening, a ballgown in Irish lace studded with crystals and a white grosgrain coat suitable for daytime or evening. The reviewer also noted his Dior model hats, faithfully copied in London by Simone Mirman – the first time Dior had allowed his designs to appear with any other couturier's clothes.

Cavanagh's reputation was cemented with his "Coronation" collection for Spring-Summer 1953, marking the coronation of Elizabeth II.

Cavanagh was renowned for his elegant tailoring, sense of colour and sense of chic, as well as the high standard and quality of his designs. Many of his staff had formerly worked for couturiers such as Nina Ricci, Lucile, and Molyneux.

Cavanagh's personal assistant from 1961 to 1966, Lindsay Evans Robertson, described his work as being:

"Paris in London. There was a lightness of touch, a feminine delicacy, a fragility unlike the work of any of the other London couturiers."

Cavanagh maintained a purity of line and form in all his designs. Cavanagh also designed outfits for Princess Alexandra's mother, Princess Marina.

As fashion became more youth-focused in the 1960s, Cavanagh attempted to redefine his business by moving into ready-to-wear, but this was not a success and he retired in 1972. His tradition of creating couture for high-profile clients lived on in the work of Toronto-born designer Donald Campbell, who worked for Cavanagh from the mid-1950s on and set up on his own in 1973, later providing several distinctive outfits for Diana, Princess of Wales.