“But You have to Remember P. J. Daniell of Sheffield” or P ercy D aniell and the British Probability Tradition(s) John Aldrich University of Southampton UK. S é minaire d'Histoire du Calcul des Probabilités et de la Statistique Paris February 2 nd 2007 1.
“But You have to Remember P. J. Daniell of Sheffield”orPercy Daniell and the British Probability Tradition(s)John AldrichUniversity of SouthamptonUK
Séminaire d'Histoire du Calcul des Probabilités et de la Statistique Paris February 2nd 2007
In books on measure & probability
Daniell integral 1918
Daniell KolmogorovExtension theorem1919
Daniell window 1946
Trinity College: biggest and best
J. E. Littlewood (1905, Senior Wrangler)
H. Hassé (1905, 7th Wrangler)
W. H. Young (1863-1942) part-time lecturer. Possible influence?
“On the Kinematics of the Born Rigid Body”
Julian Huxley "Texas and Academe"
Applied maths/ theoretical physics in 1915
Where did it go ? Norbert Wiener (1894-1964)1919 Wiener appointed instructor at MIT. 1920-22 Wiener writes 4 papers using the Daniell integral—3 on Brownian motion.1922 and -28 Wiener used Daniell as a referee for jobs.
Sheffield The city being an important centre of steel, electro-plate, glass, and other manufacturing industries, and in the heart of an extensive coal-mining area, students of Engineering, Metallurgy, Mining, Fuel Technology and Glass technology have exceptional opportunities.
In 1928 Wiener applied for a chair in Melbourne. Daniell told Wiener
The Theory of Flame Motion, Proceedings of the Royal Society of London, A, 1930
Related to work for Safety in Mines Research Board in Sheffield.
In one of the 5 letters Daniell writes to Mordell saying he can’t make a meeting with Hadamard because of press of school exam business.
Teaching continued—intensified in fact.
7 classified papers
Journal of the IEEE 1947
By contrast Wiener mixed up the styles
Daniell married Nancy Hartshorne in 1914. They had two daughters, Frances and Mary, and two sons, David and John.
He disliked publicity and his tastes were simple. He delighted in good music, in books, in friendly discussion, in country walks and in the quiet pleasures of a happy family life.
Arthur Porter phone conversation 20th October 2006
People who have helped.