Who developed radioactive dating
In the process, the first four chapters have been substantially rewritten, but the underlying structure of the argument, and its conclusions, have not been affected.
Although references throughout the text were updated to reflect recent literature, the modest amendments and refinements of archival methods and practices proposed during the past three years have not required me fundamentally to revise my premises.
No technologies currently exist that will permanently arrest those natural processes of decay that erode even the tiny portion of the overall record which is retained in archives.
Thus the second challenge of the archival profession is to preserve a record, by necessity a portion of the total record, and thus further to shape the memory of our society.
I have spoken about it publicly from time to time, but have not forced others or myself to deal with its conclusions.
The advent of literacy posed a new problem for human societies, for in freezing the memory of a culture in material formats, in creating a written or recorded memory which resists transformation, man provided himself with an objectified past which stands in opposition to the present in a way which the oral tradition, so bending and resilient, never did.
The cultural record is also subjected to differential rates of erosion due to the properties of the physical medium upon which it is recorded, the care taken of it by the sub-culture in which it is created, and the need which the culture has for the particular information it holds.