I am a bit confused as to why he was chosen. Not to diminish his tremendous body of work, but rather by the definition of the rules laid down by Alfred Nobel in his will: "All of my remaining realisable assets are to be disbursed as follows: the capital, converted to safe securities by my executors, is to constitute a fund, the interest on which is to be distributed annually as prizes to those who, during the precedi…
The Nobel Prize in all fields has become an award for lifetime achievement, even though the wording of Nobel's will could also be interpreted as meaning that it should be awarded for work that had the greatest impact during the preceding year.
I think that's fine. Often it's not really possible to assess the impact of a contribution until long after, it takes a lot of context to be able to do that.