history

Here’s a 70 year old paper that’s worth a closer look:

Leo A. Goodman (1954) Some Practical Techniques in Serial Number Analysis, Journal of the American Statistical Association, 49:265, 97-112

I looked around and found some papers related to Ruggles and Brodie’s 1947 Economic Intelligence paper.

I watched the Numberphile video Cracking Enigma in 2021 and I decided I had to give that a try.

I read American Steam Locomotives, Design and Development, 1880-1960, William L. Withuhn, 2019, Indiana University Press, ISBN 978-0-253-03933-0, 451 pages.

Watching the Numberphile video The Clever Way to Count Tanks caused me to look up and read An Empirical Approach to Economic Intelligence in World War II by Richard Ruggles and Henry Brodie

I read a paper, The Influence of ULTRA on World War II by Dr Harold C. Deutsch.

It was published in 1978, in Parameters, Journal of the US Army War College. It was Approved for public release; distribution unlimited

I read a paper, The Historical Impact of Revealing the Ultra Secret by Dr Harold C. Deutsch.

It was published in 1977, in Parameters, Journal of the US Army War College. It was Approved for public release; distribution unlimited

I went to see the Union Pacific No. 4014, a Big Boy locomotive, at a whistle stop in Greeley, CO, October 23, 2024.

Long about 1996, I read The Text of the New Testament (subtitled Its Transmission, Corruption and Restoration) by Bruce M. Metzger, 3rd edition.