CLEAN : Costumier to the stars honoured by UK cinema after 175 years

The transcript discusses the significance of Maggie Smith's shoes, the recognition of a company after 175 years, the process of making costumes for productions like 'Wicked', and the importance of resources such as Angels in the costume industry.

What is the time frame mentioned for making costumes for the production 'Wicked'?

What role does the company 'Angels' play in the context of the text?