'Eureka' moments are very, very rare in my experience. It normally takes several weeks of experiments to tease out the truth, even when you have a really pretty good idea of what is going on.
In the fall of 1961, I went up to Clare College Cambridge to read Natural Sciences, with the intention of becoming a biochemist in the end.
I was born in 1943 at Neston in the Wirral, not far from Liverpool where my father, Richard William Hunt was a lecturer in paleography, the study of mediaeval manuscripts.
You don't want to inhibit cell division. You want to inhibit cell division in the cancer cells, and even that is not really where you want to do it. You actually want to destroy the cancer cells, which is a different matter altogether. Just stopping them isn't enough - you really want to kill them.
My education started with Latin taught at home by a governess, I can't imagine why, and for some reason I attended the Infants Department of the Oxford High School for Girls before moving to the Dragon School at the dangerous age of 8 or so.
The best meeting I ever went to was a meeting in France where the talk slots were 60 minutes long, but you were told to prepare a five-minute talk. It was absolutely great because the entire talk was a conversation between the speaker and the audience.