These are major breakthroughs. Looks to me like this couple is making progress over the long term that few individuals would be able to match. And now getting

These are major breakthroughs. Looks to me like this couple is making progress over the long term that few individuals would be able to match. And now getting it right after 40 years by concentrating on things that you just can't expect to be within reach after only 30 years or so. Some of the most admirable type of research that most people are ever going to see.