World's Best Scientists 2026 revealed!

D-Index & Metrics

Biology and Biochemistry

D-Index
88
Citations
22747
World Ranking
2752
National Ranking
1422

Robert Haselkorn publication distribution in Biology and Biochemistry in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Biology and Biochemistry in 2026. The highlighted bar marks where Robert Haselkorn sits on this spectrum.

47–56 publications: 8 scientists 57–66 publications: 35 scientists 67–76 publications: 106 scientists 77–86 publications: 231 scientists 87–96 publications: 414 scientists 97–106 publications: 546 scientists 107–116 publications: 704 scientists 117–126 publications: 849 scientists 127–136 publications: 980 scientists 137–146 publications: 942 scientists 147–156 publications: 969 scientists 157–166 publications: 950 scientists 167–176 publications: 951 scientists 177–186 publications: 915 scientists 187–196 publications: 787 scientists 197–206 publications: 841 scientists 207–216 publications: 735 scientists 217–226 publications: 709 scientists 227–236 publications: 651 scientists 237–246 publications: 605 scientists 247–256 publications: 510 scientists 257–266 publications: 524 scientists 267–276 publications: 434 scientists 277–286 publications: 418 scientists 287–296 publications: 350 scientists 297–306 publications: 363 scientists 307–316 publications: 315 scientists 317–326 publications: 296 scientists 327–336 publications: 261 scientists 337–346 publications: 240 scientists 347–356 publications: 219 scientists 357–366 publications: 197 scientists 367–376 publications: 154 scientists 377–386 publications: 161 scientists 387–396 publications: 155 scientists 397–406 publications: 145 scientists 407–416 publications: 124 scientists 417–426 publications: 112 scientists 427–436 publications: 132 scientists 437–446 publications: 116 scientists 447–456 publications: 99 scientists 457–466 publications: 81 scientists 467–476 publications: 91 scientists 477–486 publications: 80 scientists 487–496 publications: 80 scientists 497–506 publications: 60 scientists 507–516 publications: 36 scientists 517–526 publications: 46 scientists 527–536 publications: 54 scientists 537–546 publications: 44 scientists 547–556 publications: 43 scientists 557–566 publications: 43 scientists 567–576 publications: 42 scientists 577–586 publications: 25 scientists 587–596 publications: 34 scientists 597–606 publications: 23 scientists 607–616 publications: 33 scientists 617–626 publications: 31 scientists 627–636 publications: 27 scientists 637–646 publications: 25 scientists 647–656 publications: 28 scientists 657–666 publications: 34 scientists 667–676 publications: 18 scientists 677–686 publications: 16 scientists 687–696 publications: 10 scientists 697–706 publications: 12 scientists 707–716 publications: 21 scientists 717–726 publications: 12 scientists 727–736 publications: 12 scientists 737–746 publications: 10 scientists 747–756 publications: 7 scientists 757–766 publications: 13 scientists 767–776 publications: 15 scientists 777–786 publications: 13 scientists 787–796 publications: 9 scientists 797–806 publications: 9 scientists 807–816 publications: 7 scientists 817–826 publications: 4 scientists 827–836 publications: 9 scientists 837–846 publications: 7 scientists 847–856 publications: 3 scientists 857–866 publications: 5 scientists 867–876 publications: 5 scientists 877–886 publications: 11 scientists 887–896 publications: 3 scientists 897–906 publications: 4 scientists 907–916 publications: 7 scientists 917–926 publications: 5 scientists 927–936 publications: 6 scientists 937–946 publications: 6 scientists 947–956 publications: 3 scientists 957–966 publications: 7 scientists 967–976 publications: 2 scientists 977–986 publications: 2 scientists 987–996 publications: 1 scientists 997–1,006 publications: 5 scientists 1,007–1,016 publications: 2 scientists 1,017–1,026 publications: 2 scientists 1,027 publications: 1 scientists 1,028+ publications: 100 scientists
47 publications 1,028+

This scientist: 289 publications — 76th percentile

76% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 1,028 publications or more.

Robert Haselkorn D-index placement in Biology and Biochemistry in 2026

The chart shows the D-index (discipline H-index) distribution of Biology and Biochemistry scientists ranked by Research.com in 2026. The highlighted bar marks where Robert Haselkorn sits on this spectrum.

40–41 D-Index: 80 scientists 42–43 D-Index: 183 scientists 44–45 D-Index: 317 scientists 46–47 D-Index: 504 scientists 48–49 D-Index: 718 scientists 50–51 D-Index: 900 scientists 52–53 D-Index: 1,026 scientists 54–55 D-Index: 1,150 scientists 56–57 D-Index: 1,236 scientists 58–59 D-Index: 1,253 scientists 60–61 D-Index: 1,163 scientists 62–63 D-Index: 1,131 scientists 64–65 D-Index: 1,032 scientists 66–67 D-Index: 897 scientists 68–69 D-Index: 814 scientists 70–71 D-Index: 715 scientists 72–73 D-Index: 709 scientists 74–75 D-Index: 596 scientists 76–77 D-Index: 512 scientists 78–79 D-Index: 473 scientists 80–81 D-Index: 412 scientists 82–83 D-Index: 373 scientists 84–85 D-Index: 358 scientists 86–87 D-Index: 285 scientists 88–89 D-Index: 273 scientists 90–91 D-Index: 227 scientists 92–93 D-Index: 208 scientists 94–95 D-Index: 193 scientists 96–97 D-Index: 153 scientists 98–99 D-Index: 157 scientists 100–101 D-Index: 148 scientists 102–103 D-Index: 120 scientists 104–105 D-Index: 113 scientists 106–107 D-Index: 100 scientists 108–109 D-Index: 86 scientists 110–111 D-Index: 67 scientists 112–113 D-Index: 72 scientists 114–115 D-Index: 73 scientists 116–117 D-Index: 64 scientists 118–119 D-Index: 53 scientists 120–121 D-Index: 60 scientists 122–123 D-Index: 54 scientists 124–125 D-Index: 43 scientists 126–127 D-Index: 38 scientists 128–129 D-Index: 49 scientists 130–131 D-Index: 26 scientists 132–133 D-Index: 18 scientists 134–135 D-Index: 23 scientists 136–137 D-Index: 32 scientists 138–139 D-Index: 32 scientists 140–141 D-Index: 27 scientists 142–143 D-Index: 19 scientists 144–145 D-Index: 22 scientists 146–147 D-Index: 12 scientists 148–149 D-Index: 16 scientists 150–151 D-Index: 14 scientists 152–153 D-Index: 10 scientists 154–155 D-Index: 13 scientists 156–157 D-Index: 10 scientists 158–159 D-Index: 7 scientists 160–161 D-Index: 9 scientists 162–163 D-Index: 13 scientists 164–165 D-Index: 4 scientists 166 D-Index: 4 scientists 167+ D-Index: 98 scientists
40 D-Index 167+

This scientist: 88 D-Index — 87th percentile

87% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 167 D-Index or more.

Research.com Recognitions

  • 1991 - Member of the National Academy of Sciences
  • 1987 - Fellow of the American Academy of Arts and Sciences
  • 1984 - Fellow of the American Association for the Advancement of Science (AAAS)
  • 1974 - Fellow of John Simon Guggenheim Memorial Foundation

Overview

Robert Haselkorn is affiliated with the University of Chicago in the United States. Their research contributions include publications in recognized scientific journals, with one recorded paper titled Issue Information published in 2020 in The FASEB Journal.

Haselkorn has collaborated with multiple researchers throughout their career. Frequent co-authors include:

  • Robert C. Goldman
  • Stephen M. Hewitt
  • Elizabeth A. Jonas
  • Charles E. Kahn
  • Richard Levin

Publication venues for Haselkorn's work include:

  • The FASEB Journal

Recognition for Haselkorn's contributions to science is reflected in several honors and awards received over the years. These include:

  • Member of the National Academy of Sciences (1991)
  • Fellow of the American Academy of Arts and Sciences (1987)
  • Fellow of the American Association for the Advancement of Science (AAAS) (1984)
  • Fellow of John Simon Guggenheim Memorial Foundation (1974)

Best Publications

  • Genome sequence of Bacillus cereus and comparative analysis with Bacillus anthracis

    Natalia Ivanova;Alexei Sorokin;Iain Anderson;Nathalie Galleron

  • Genes encoding plastid acetyl-CoA carboxylase and 3-phosphoglycerate kinase of the Triticum/Aegilops complex and the evolutionary history of polyploid wheat

    Shaoxing Huang;Anchalee Sirikhachornkit;Xiujuan Su;Justin Faris

  • The genome sequence of the facultative intracellular pathogen Brucella melitensis

    Vito G. Delvecchio;Vinayak Kapatral;Rajendra J. Redkar;Guy Patra

  • Genetic engineering of the cyanobacterial chromosome

    Susan S. Golden;Judy Brusslan;Robert Haselkorn

  • SECONDARY STRUCTURE IN RIBONUCLEIC ACIDS.

    P. Doty;H. Boedtker;J. R. Fresco;R. Haselkorn

  • Characterization of a gene controlling heterocyst differentiation in the cyanobacterium Anabaena 7120.

    William J. Buikema;Robert Haselkorn

  • Genome Sequence and Analysis of the Oral Bacterium Fusobacterium nucleatum Strain ATCC 25586

    Vinayak Kapatral;Iain Anderson;Natalia Ivanova;Gary Reznik

  • Rearrangement of nitrogen fixation genes during heterocyst differentiation in the cyanobacterium Anabaena

    James W. Golden;Steven J. Robinson;Steven J. Robinson;Robert Haselkorn

  • Multiple evolutionary origins of prochlorophytes, the chlorophyll b-containing prokaryotes.

    B. Palenik;R. Haselkorn

  • The cyanobacterial genome core and the origin of photosynthesis

    Armen Y. Mulkidjanian;Eugene V. Koonin;Kira S. Makarova;Sergey L. Mekhedov

  • Genes Coding for Hepatotoxic Heptapeptides (Microcystins) in the Cyanobacterium Anabaena Strain 90

    Leo Rouhiainen;Tanja Vakkilainen;Berit Lumbye Siemer;William Buikema

  • Expression of a family of psbA genes encoding a photosystem II polypeptide in the cyanobacterium Anacystis nidulans R2.

    S S Golden;J Brusslan;R Haselkorn

  • Expression of the Anabaena hetR gene from a copper-regulated promoter leads to heterocyst differentiation under repressing conditions

    William J. Buikema;Robert Haselkorn

  • Different promoters for the Anabaena glutamine synthetase gene during growth using molecular or fixed nitrogen

    Nilgun Ereken Tumer;Steven J. Robinson;Robert Haselkorn

  • Genome sequence of Synechococcus CC9311: Insights into adaptation to a coastal environment

    Brian Palenik;Qinghu Ren;Chris L. Dupont;Garry S. Myers

  • Genome Erosion in a Nitrogen-Fixing Vertically Transmitted Endosymbiotic Multicellular Cyanobacterium

    Liang Ran;John Larsson;Theoden Vigil-Stenman;Johan A. A. Nylander

  • The reaction of formaldehyde with polynucleotides.

    Robert Haselkorn;Paul Doty

  • Climate Change and the Integrity of Science

    Jennifer Sills;P. H. Gleick;R. M. Adams;R. M. Amasino

  • Isolation and physical mapping of nitrogen fixation genes from the cyanobacterium Anabaena 7120.

    D Rice;B J Mazur;R Haselkorn

  • An isoleucine/leucine residue in the carboxyltransferase domain of acetyl-CoA carboxylase is critical for interaction with aryloxyphenoxypropionate and cyclohexanedione inhibitors

    O. Zagnitko;J. Jelenska;G. Tevzadze;R. Haselkorn

Frequent Co-Authors

James W. Golden
James W. Golden University of California, San Diego
Nikos C. Kyrpides
Nikos C. Kyrpides Joint Genome Institute
Natalia Ivanova
Natalia Ivanova Lawrence Berkeley National Laboratory
Louis A. Sherman
Louis A. Sherman Purdue University West Lafayette
Ross Overbeek
Ross Overbeek Argonne National Laboratory
Alla Lapidus
Alla Lapidus Saint Petersburg State University
Niels Bent Larsen
Niels Bent Larsen Technical University of Denmark
Justin D. Faris
Justin D. Faris Agricultural Research Service
Susan S. Golden
Susan S. Golden University of California, San Diego
James E. Dahlberg
James E. Dahlberg University of Wisconsin–Madison

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