World's Best Scientists 2026 revealed!

D-Index & Metrics

Mathematics

D-Index
44
Citations
15567
World Ranking
1529
National Ranking
659

H. O. Hartley publication distribution in Mathematics in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Mathematics in 2026. The highlighted bar marks where H. O. Hartley sits on this spectrum.

42–46 publications: 3 scientists 47–51 publications: 5 scientists 52–56 publications: 7 scientists 57–61 publications: 20 scientists 62–66 publications: 14 scientists 67–71 publications: 25 scientists 72–76 publications: 19 scientists 77–81 publications: 35 scientists 82–86 publications: 50 scientists 87–91 publications: 60 scientists 92–96 publications: 86 scientists 97–101 publications: 84 scientists 102–106 publications: 83 scientists 107–111 publications: 90 scientists 112–116 publications: 99 scientists 117–121 publications: 90 scientists 122–126 publications: 91 scientists 127–131 publications: 109 scientists 132–136 publications: 110 scientists 137–141 publications: 98 scientists 142–146 publications: 112 scientists 147–151 publications: 102 scientists 152–156 publications: 88 scientists 157–161 publications: 106 scientists 162–166 publications: 83 scientists 167–171 publications: 102 scientists 172–176 publications: 77 scientists 177–181 publications: 81 scientists 182–186 publications: 78 scientists 187–191 publications: 71 scientists 192–196 publications: 92 scientists 197–201 publications: 64 scientists 202–206 publications: 69 scientists 207–211 publications: 64 scientists 212–216 publications: 62 scientists 217–221 publications: 58 scientists 222–226 publications: 53 scientists 227–231 publications: 50 scientists 232–236 publications: 46 scientists 237–241 publications: 46 scientists 242–246 publications: 46 scientists 247–251 publications: 43 scientists 252–256 publications: 29 scientists 257–261 publications: 45 scientists 262–266 publications: 30 scientists 267–271 publications: 33 scientists 272–276 publications: 34 scientists 277–281 publications: 30 scientists 282–286 publications: 31 scientists 287–291 publications: 21 scientists 292–296 publications: 34 scientists 297–301 publications: 26 scientists 302–306 publications: 10 scientists 307–311 publications: 17 scientists 312–316 publications: 23 scientists 317–321 publications: 13 scientists 322–326 publications: 16 scientists 327–331 publications: 26 scientists 332–336 publications: 13 scientists 337–341 publications: 13 scientists 342–346 publications: 16 scientists 347–351 publications: 17 scientists 352–356 publications: 12 scientists 357–361 publications: 18 scientists 362–366 publications: 18 scientists 367–371 publications: 9 scientists 372–376 publications: 11 scientists 377–381 publications: 8 scientists 382–386 publications: 8 scientists 387–391 publications: 9 scientists 392–396 publications: 9 scientists 397–401 publications: 8 scientists 402–406 publications: 11 scientists 407–411 publications: 6 scientists 412–416 publications: 6 scientists 417–421 publications: 9 scientists 422–426 publications: 8 scientists 427–431 publications: 5 scientists 432–436 publications: 8 scientists 437–441 publications: 8 scientists 442–446 publications: 4 scientists 447–451 publications: 4 scientists 452–456 publications: 4 scientists 457–461 publications: 2 scientists 462–466 publications: 2 scientists 467–471 publications: 4 scientists 472–476 publications: 3 scientists 477–481 publications: 3 scientists 482–486 publications: 6 scientists 487–491 publications: 3 scientists 492–496 publications: 5 scientists 497–501 publications: 5 scientists 502–506 publications: 1 scientists 507–511 publications: 6 scientists 512–516 publications: 4 scientists 517–521 publications: 1 scientists 522–526 publications: 3 scientists 527–531 publications: 1 scientists 532–536 publications: 4 scientists 537+ publications: 100 scientists
42 publications 537+

This scientist: 145 publications — 35th percentile

35% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 537 publications or more.

H. O. Hartley D-index placement in Mathematics in 2026

The chart shows the D-index (discipline H-index) distribution of Mathematics scientists ranked by Research.com in 2026. The highlighted bar marks where H. O. Hartley sits on this spectrum.

30 D-Index: 174 scientists 31 D-Index: 151 scientists 32 D-Index: 174 scientists 33 D-Index: 117 scientists 34 D-Index: 136 scientists 35 D-Index: 127 scientists 36 D-Index: 145 scientists 37 D-Index: 153 scientists 38 D-Index: 150 scientists 39 D-Index: 150 scientists 40 D-Index: 138 scientists 41 D-Index: 136 scientists 42 D-Index: 93 scientists 43 D-Index: 108 scientists 44 D-Index: 115 scientists 45 D-Index: 112 scientists 46 D-Index: 103 scientists 47 D-Index: 75 scientists 48 D-Index: 59 scientists 49 D-Index: 67 scientists 50 D-Index: 60 scientists 51 D-Index: 57 scientists 52 D-Index: 59 scientists 53 D-Index: 62 scientists 54 D-Index: 60 scientists 55 D-Index: 50 scientists 56 D-Index: 42 scientists 57 D-Index: 54 scientists 58 D-Index: 50 scientists 59 D-Index: 42 scientists 60 D-Index: 41 scientists 61 D-Index: 35 scientists 62 D-Index: 40 scientists 63 D-Index: 21 scientists 64 D-Index: 31 scientists 65 D-Index: 27 scientists 66 D-Index: 29 scientists 67 D-Index: 19 scientists 68 D-Index: 25 scientists 69 D-Index: 17 scientists 70 D-Index: 18 scientists 71 D-Index: 12 scientists 72 D-Index: 14 scientists 73 D-Index: 13 scientists 74 D-Index: 18 scientists 75 D-Index: 9 scientists 76 D-Index: 11 scientists 77 D-Index: 10 scientists 78 D-Index: 9 scientists 79 D-Index: 16 scientists 80 D-Index: 12 scientists 81 D-Index: 10 scientists 82 D-Index: 5 scientists 83 D-Index: 5 scientists 84 D-Index: 13 scientists 85 D-Index: 6 scientists 86+ D-Index: 99 scientists
30 D-Index 86+

This scientist: 44 D-Index — 58th percentile

58% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 86 D-Index or more.

Research.com Recognitions

  • 1973 - Samuel S. Wilks Memorial Award, American Statistical Association (ASA)
  • 1968 - Fellow of the American Association for the Advancement of Science (AAAS)
  • 1961 - Melchett Medal, Energy Institute (UK)
  • 1953 - Melchett Medal, Energy Institute (UK)

Overview

H. O. Hartley was affiliated with Texas A&M University in the United States. During their career, they received several notable awards recognizing contributions to their field. These included the Samuel S. Wilks Memorial Award from the American Statistical Association (ASA) in 1973 and being named a Fellow of the American Association for the Advancement of Science (AAAS) in 1968. Hartley was also awarded the Melchett Medal by the Energy Institute (UK) twice, once in 1953 and again in 1961.

Hartley's academic profile shows a focus on areas relevant to statistics and energy, as inferred from the awards received. The lack of detailed publication and co-authorship information limits a comprehensive overview of their research topics and collaborative work. However, the honors indicate engagement with both statistical sciences and energy-related studies over several decades.

No records of recent papers, frequent co-authors, or specific publication venues were available. Similarly, no details about book publications or explicit main fields and subfields of study were listed in the source data. Consequently, information about Hartley's research specialties or thematic contributions cannot be further detailed.

The combination of recognition by statistical and scientific organizations, as well as energy-focused accolades, suggests a multidisciplinary approach that bridged statistical methodologies with applications in energy or related fields. This multidisciplinary aspect likely influenced their academic environment at Texas A&M University and contributed to their standing within professional communities.

Best Publications

  • Statistical Tables for Biological, Agricultural and Medical Research

    Unknown

  • Biometrika Tables for Statisticians

    I. Richard Savage;E. S. Pearson;H. O. Hartley

  • Maximum-likelihood estimation for the mixed analysis of variance model

    H. O. Hartley;J. N. K. Rao

  • Maximum Likelihood Estimation from Incomplete Data

    H. O. Hartley

  • The Modified Gauss-Newton Method for the Fitting of Non-Linear Regression Functions by Least Squares

    Unknown

  • The maximum F-ratio as a short-cut test for heterogeneity of variance.

    H. O. Hartley

  • TESTS FOR RANK CORRELATION COEFFICIENTS. I

    E. C. Fieller;H. O. Hartley;E. S. Pearson

  • THE DISTRIBUTION OF THE RATIO, IN A SINGLE NORMAL SAMPLE, OF RANGE TO STANDARD DEVIATION

    H. A. David;H. O. Hartley;E. S. Pearson

  • Biometrika tables for statisticians

    E. S. Pearson;Karl Pearson;H. O. Hartley

  • The analysis of incomplete data.

    H. O. Hartley;R. R. Hocking

  • Sampling with Unequal Probabilities and without Replacement

    H. O. Hartley;J. N. K. Rao

  • ON A SIMPLE PROCEDURE OF UNEQUAL PROBABILITY SAMPLING WITHOUT REPLACEMENT

    J. N. K. Rao;H. O. Hartley;W. G. Cochran

  • Charts of the power function for analysis of variance tests, derived from the non-central F-distribution.

    E. S. Pearson;H. O. Hartley

  • A new estimation theory for sample surveys

    H. O. Hartley;J. N. K. Rao

  • Smallest Composite Designs for Quadratic Response Surfaces

    H. O. Hartley

  • Unbiased Ratio Estimators

    Unknown

  • THE USE OF RANGE IN ANALYSIS OF VARIANCE

    H. O. Hartley

  • Universal Bounds for Mean Range and Extreme Observation

    H. O. Hartley;H. A. David

  • Computing Maximum Likelihood Estimates for the Mixed A.O.V. Model Using the W Transformation

    W. J. Hemmerle;H. O. Hartley

  • Estimation of "safe doses" in carcinogenic experiments.

    Hartley Ho;Sielken Rl

  • TESTING THE HOMOGENEITY OF A SET OF VARIANCES

    H. O. Hartley

  • Power of Analysis of Variance Test Procedures for Certain Incompletely Specified Models, I

    Helen Bozivich;T. A. Bancroft;H. O. Hartley

  • Stochastic Compartmental Analysis: Model and Least Squares Estimation from Time Series Data

    J. H. Matis;H. O. Hartley

  • Biometrika Tables for Statisticians, Vol. 2

    Unknown

Frequent Co-Authors

Leo A. Goodman
Leo A. Goodman University of California, Berkeley
William G. Cochran
William G. Cochran Harvard University
Shayle R. Searle
Shayle R. Searle Cornell University
Jerzy Neyman
Jerzy Neyman University of California, Berkeley
Karl Pearson
Karl Pearson University College London

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