I was making a lot of momentous personal decisions. I was still very very young: when the prize was awarded, I was 33; the work I had done when I was 21. ↗
If you want to solve very complex problems, you will have to end up letting machines work out a lot of the details for themselves, and in ways that we don't understand what they are doing. ↗
When I was in high school, I became interested in cytochemistry: chemical analysis under the microscope, and trying to understand the composition of cells. ↗