Followed that link and oh wow, I had no idea that Alison Uttley of the Little Grey Rabbit books was a physics graduate! I wonder which one she is.

... Oh! OK, I went and explored further from the link you gave, and according to https://alisonuttley.co.uk/early-writings/ the four women in this photo are indeed all students. Alison Uttley is the one second from the right at the back.