his colleagues and students, who affectionately referred to him as HOH. Widely regarded as not only a brilliant academician, but also a warm and caring human being, Hartley was deeply committed to all phases of his profession, including education, research, and delivery of knowledge and advice to users of statistics. Hartley's legacy at Texas A&M continues to unfold via the H.O. Hartley Award presented annually for the past 40 years to a statistics former student who best reflects Hartley's tradition of distinguished service to the discipline, the biannual Hartley Memorial Lecture Series also named in his honor, and the H.O. Hartley Chair in Statistics, established in July 2019 by his students and the Thomas W. Powell '62 Endowed Graduate Fellowship Fund. References 1912 births 1980 deaths American statisticians Fellows of the American Statistical Association Presidents of the American Statistical Association 20th-century American mathematicians German emigrants to the United States Academics of University College London Mathematical statisticians