From the Portsmouth (N.H.) Herald of Nov. 26, 2005:
Photographer seeks world’s oldest peopleThe worst way to prove a supercentenarian's age: saw him in half and count the growth rings.
By Michael Kunzelman
[Jerry] Friedman, 58, a commercial photographer who lives in New Milford, Conn., closed his studio so he could travel the world to track down his elderly subjects, verify their ages as accurately as possible and document their life stories.
To separate actual supercentenarians from those who are either mistaken or lying about their age for attention or personal gain, [Robert] Young and other researchers search for birth and baptismal certificates, marriage licenses and census records.
"Believe it or not, scientists have not found a way to accurately determine the age of a human body," he said. "So if there is no paperwork, there is really no way to prove a person’s age."
[Read the whole story]