Mrs. Patrick Campbell was a hugely famous actress in the early 20th century, though she hasn’t really retained her iconic status. She quickly had a reputation as a stage diva with a sharp tongue, and originated one of the most beloved characters of the stage and screen.
Research:

SYMHC Classics: Three Legendary Pranks
33:41

Behind the Scenes Minis: Embroidery Love Letter
16:07

Embroidery History Sampler, Part 2
34:22