Nature.com has the exclusive with photos, and the original paper.
The design for 8 factors was not in the original paper.
He is the author of the original paper on temporal difference learning.
In Chen's original paper he gives an example of a relationship and its roles.
I think those who read the original paper will recognize this.
"I've brought copies of my original paper for you to look at," he said.
He has written over 588 original papers, including 13 books.
As of January 2011, the original paper has been cited over 1,700 times.
Open access; Data in original paper actually removed from site.
The original papers are still held by the Robertson family.