The Stroke of Genius Strikes Later In Life Than It Used To
InfiniteZero writes with this quote from MSNBC:
"Einstein once said, 'A person who has not made his great contribution to science before the age of 30 will never do so.' That peak age has shifted considerably, a new study found, with 48 being prime time for physicists. ... For instance, in physics, in the early 20th century, a rise in young scientists generating prize-winning work coincided with the development of quantum mechanics. In fact, in 1923, the proportion of physicists who did their breakthrough work by age 30 peaked at 31 percent. Those who did their best work by age 40 peaked in 1934 at 78 percent. The proportion of physics laureates producing Nobel Prize-winning work under age 30 or 40 then declined throughout the rest of the century."
Science requires lots of hard work to make major discoveries. The low hanging fruit has been picked (barring some sort of paradigm shift) in most fields. Therefore, it takes time to get into a system and specialize and learn about the area. Only then can you really make notable accomplishments. So, long story short, I expected it because science is hard.
Science is no longer one-man ventures, secluded in a room with blackboards and lots of paper; science is done by large teams spanning multiple universities and countries; it takes a while to become the Head Honcho of one of these groups. The actual Stroke of Genius might happen to be with a pre-30 team member, and usually quite a number of these strokes happen, but Head Honcho will get the ultimate credit.
Everything new that is discovered, learned, realized or developed comes in no small part from everything that came before it. In order to create something new, you more or less have to acquire a fair portion of all of the knowledge and understanding that came before it. As that body of knowledge and understanding grows, so too does the time it takes to acquire and digest it all.
This problem will only get worse unless we learn to fight old age and the deterioration of the brain better.
The human limits are quickly being realized and it is our own mortality.
This doesn't surprise me in the least. Various stories have been done on the fact that not only are we living longer, we're healthier as we age. The nineteenth century in particular is rife with forty-somethings suffering from afflictions such as gout, the aftereffects of rickets, or severe arthritis as well as the travails of various malnutrition diseases. At the time Einstein made his quote, the examples presented to his awareness would primarily be those giants of the nineteenth century, as his contemporaries were yet to show their true glory.
So imagine how hard it is to focus when you're dealing with continual pain, and you'll understand quite well that most scientists of the time had to make their contributions before the onset of age-related issues, or their concentration would suffer markedly.
Actually I am a lab rat in an elaborate plot to take over the world.
Here's a simple and reasonable explanation for this shift.
The reason for young male scientists making their big breakthroughs before age 30 probably is caused by hormonal levels (they work extremely hard to create a novel solution to a problem in order to attract a mate) and possibly some brain aging. The brain is most likely a bit more plastic and higher performance between age 20 and 30 than it is between age 40 and 50.
HOWEVER, what has happened is that a stroke of brilliance is no longer sufficient. All the easy pickings in physics have already been found. Now, the significant discoveries are much more complex endeavors, requiring far more knowledge and experience before someone could even be in a situation to make one. Just like how major inventions can't really happen in garages anymore. (sure, you can hack something together in a garage with Arduino boards...but you won't have made anything that hasn't already been prototyped in lots of places elsewhere) Contrast the present day with, say, the Wright Brothers building a powered aircraft with only limited resources. Today to make spacecraft able to take a man to Mars you'd need the resources of entire country.
So, yes, I think that physicists that age probably become less effective due to aging, but due to more knowledge and experience and resources they became able to make these big discoveries AT ALL.
Einstein was obviously a smart guy but that doesn't mean everything he said is fact. In fact, I think blanket statements like the one quoted in the article are patently absurd. People can accomplish great things at any age. Second, I think the argument that has been mentioned a few times already, regarding the assertion that the "low-hanging fruit" of science has already been discovered, thus making any significant leaps more difficult, is baloney. One hundred years ago I'm sure they were saying the same thing.
Ah, the libertarian 'starve the farmer so that he'll work harder' approach to labor relations.
The force that blew the Big Bang continues to accelerate.
FTA "[...] people like Einstein and Paul Dirac (who predicted the existence of antimatter )"
It's so strange that they have to explain who Dirac is. I'm a student in a top high energy physics department, and the man's name is literally everywhere. He build quantum field theory from the ground up, damn near by himself. He's definitely a demigod within the community.
When I was in highschool I read (in Scientific American?) an article about Dirac, and it portrayed him as something of an under appreciated genius, that somehow he managed to escape the public eye. I guess this really is true.
There's this huge disconnect between who the layman idolizes (Einstein, Bohr, Hawking etc.) and who the theorists idolize (t'Hooft, Yang, Wilson, etc. though of course we do idolize the other guys as well).