who spent the majority of his career in the USA. He was born with the surname Hirschfeld and was known by his colleagues as HOH. Hartley gained his PhD in mathematics at U Berlin in 1933. In the following year, he emigrated to England to work with Egon Pearson, gaining in 1940 a PhD in statistics at Cambridge U, where he was supervised by Wishart. In 1946 he joined Pearson on the faculty at UCL where he supervised Box. He was co-author, with Pearson, of the widely used Biometrika Tables for Statisticians In 1953 he moved to the USA, with posts successively at Iowa State College, Texas A & M U (1963), and Duke U (1979). He was President of the ASA in 1979 and the Association's Wilks Award winner in 1973.

http://www.amstat.org/about/statisticiansinhistory/bios/hartleyho.pdf Photograph and obituary.