[tt] marriage may tame genius

[Eugen Leitl]

http://www.abc.net.au/science/news/scitech/SciTechRepublish_898675.htm

Marriage may tame genius

Thursday, 10 July 2003

Creative genius and crime express themselves early in men but both are turned
off almost like a tap if a man gets married and has children, a study says.

Satoshi Kanazawa, a psychologist at the University of Canterbury in New
Zealand, compiled a database of the biographies of 280 great scientists,
noting their age at the time when they made their greatest work.

The data remarkably concur with the brutal observation made by Albert
Einstein, who wrote in 1942: "A person who has not made his great
contribution to science before the age of 30 will never do so."

"Scientific productivity indeed fades with age," Dr Kanazawa says.

"Two-thirds (of all scientists) will have made their most significant
contributions before their mid-30s."

But, regardless of age, the great minds who married virtually kissed goodbye
to making any further glorious additions to their CV.

Within five years of making their nuptial vows, nearly a quarter of married
scientists had made their last significant contribution to history's hall of
fame.

"Scientists rather quickly desist (from their careers) after their marriage,
while unmarried scientists continue to make great scientific contributions
later in their lives," says Dr Kanazawa.

The energy of youth and the dampening effect of marriage, he adds, are also
remarkably similar among geniuses in music, painting and writing, as well as
in criminal activity.

Previous studies have documented that delinquents are overwhelmingly male,
and usually start out on the road to crime in their teens.

But those who marry well, subsequently stop committing crime, whereas
criminals at the same age who remain unmarried tend to continue their
unlawful careers.

Dr Kanazawa suggests "a single psychological mechanism" is responsible for
this: the competitive edge among young men to fight for glory and gain the
attention of women.

That craving drives the all-important male hormone, testosterone.

Dr Kanazawa theorises after a man settles down, the testosterone level falls,
as does his creative output.

The study appears in in the August issue of the Journal of Research in
Personality, published by the Elsevier group.

The British weekly New Scientist reports on it in its upcoming issue on
Saturday.