Allow me to answer your question with another question:
Do you know who designed the Core?
[It should be an easy question, shouldn't it? The Core is such a vital, well-known part of the Underground's infrastructure, everybody learns about it in school- when it was built, how and why. So...]
[Why can't anyone recall who came up with the idea?]
no subject
Do you know who designed the Core?
[It should be an easy question, shouldn't it? The Core is such a vital, well-known part of the Underground's infrastructure, everybody learns about it in school- when it was built, how and why. So...]
[Why can't anyone recall who came up with the idea?]