World's Best Scientists 2026 revealed!

D-Index & Metrics

Chemistry

D-Index
51
Citations
10951
World Ranking
13835
National Ranking
3592

Howard E. Zimmerman publication distribution in Chemistry in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Chemistry in 2026. The highlighted bar marks where Howard E. Zimmerman sits on this spectrum.

61–80 publications: 66 scientists 81–100 publications: 302 scientists 101–120 publications: 623 scientists 121–140 publications: 918 scientists 141–160 publications: 1,218 scientists 161–180 publications: 1,350 scientists 181–200 publications: 1,344 scientists 201–220 publications: 1,281 scientists 221–240 publications: 1,216 scientists 241–260 publications: 1,100 scientists 261–280 publications: 979 scientists 281–300 publications: 939 scientists 301–320 publications: 764 scientists 321–340 publications: 643 scientists 341–360 publications: 628 scientists 361–380 publications: 522 scientists 381–400 publications: 459 scientists 401–420 publications: 397 scientists 421–440 publications: 327 scientists 441–460 publications: 270 scientists 461–480 publications: 265 scientists 481–500 publications: 252 scientists 501–520 publications: 201 scientists 521–540 publications: 185 scientists 541–560 publications: 148 scientists 561–580 publications: 148 scientists 581–600 publications: 132 scientists 601–620 publications: 114 scientists 621–640 publications: 104 scientists 641–660 publications: 91 scientists 661–680 publications: 92 scientists 681–700 publications: 73 scientists 701–720 publications: 57 scientists 721–740 publications: 54 scientists 741–760 publications: 67 scientists 761–780 publications: 45 scientists 781–800 publications: 46 scientists 801–820 publications: 39 scientists 821–840 publications: 32 scientists 841–860 publications: 36 scientists 861–880 publications: 29 scientists 881–900 publications: 26 scientists 901–920 publications: 24 scientists 921–940 publications: 14 scientists 941–960 publications: 23 scientists 961–980 publications: 28 scientists 981–1,000 publications: 15 scientists 1,001–1,020 publications: 29 scientists 1,021–1,040 publications: 12 scientists 1,041–1,060 publications: 19 scientists 1,061–1,080 publications: 12 scientists 1,081–1,100 publications: 6 scientists 1,101–1,120 publications: 8 scientists 1,121–1,140 publications: 12 scientists 1,141–1,160 publications: 5 scientists 1,161–1,180 publications: 6 scientists 1,181–1,200 publications: 14 scientists 1,201–1,220 publications: 7 scientists 1,221–1,240 publications: 2 scientists 1,241–1,260 publications: 6 scientists 1,261–1,280 publications: 4 scientists 1,281–1,294 publications: 6 scientists 1,295+ publications: 100 scientists
61 publications 1,295+

This scientist: 358 publications — 74th percentile

74% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 1,295 publications or more.

Howard E. Zimmerman D-index placement in Chemistry in 2026

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

40–41 D-Index: 289 scientists 42–43 D-Index: 612 scientists 44–45 D-Index: 808 scientists 46–47 D-Index: 776 scientists 48–49 D-Index: 835 scientists 50–51 D-Index: 861 scientists 52–53 D-Index: 872 scientists 54–55 D-Index: 933 scientists 56–57 D-Index: 1,051 scientists 58–59 D-Index: 930 scientists 60–61 D-Index: 882 scientists 62–63 D-Index: 834 scientists 64–65 D-Index: 731 scientists 66–67 D-Index: 775 scientists 68–69 D-Index: 683 scientists 70–71 D-Index: 646 scientists 72–73 D-Index: 561 scientists 74–75 D-Index: 501 scientists 76–77 D-Index: 437 scientists 78–79 D-Index: 388 scientists 80–81 D-Index: 354 scientists 82–83 D-Index: 292 scientists 84–85 D-Index: 275 scientists 86–87 D-Index: 254 scientists 88–89 D-Index: 235 scientists 90–91 D-Index: 185 scientists 92–93 D-Index: 192 scientists 94–95 D-Index: 155 scientists 96–97 D-Index: 163 scientists 98–99 D-Index: 125 scientists 100–101 D-Index: 105 scientists 102–103 D-Index: 105 scientists 104–105 D-Index: 112 scientists 106–107 D-Index: 88 scientists 108–109 D-Index: 68 scientists 110–111 D-Index: 69 scientists 112–113 D-Index: 65 scientists 114–115 D-Index: 79 scientists 116–117 D-Index: 61 scientists 118–119 D-Index: 44 scientists 120–121 D-Index: 37 scientists 122–123 D-Index: 40 scientists 124–125 D-Index: 33 scientists 126–127 D-Index: 26 scientists 128–129 D-Index: 34 scientists 130–131 D-Index: 35 scientists 132–133 D-Index: 25 scientists 134–135 D-Index: 27 scientists 136–137 D-Index: 17 scientists 138–139 D-Index: 16 scientists 140–141 D-Index: 20 scientists 142–143 D-Index: 20 scientists 144–145 D-Index: 15 scientists 146–147 D-Index: 9 scientists 148–149 D-Index: 9 scientists 150–151 D-Index: 16 scientists 152–153 D-Index: 11 scientists 154–155 D-Index: 9 scientists 156–157 D-Index: 3 scientists 158 D-Index: 3 scientists 159+ D-Index: 98 scientists
40 D-Index 159+

This scientist: 51 D-Index — 23rd percentile

23% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 159 D-Index or more.

Research.com Recognitions

  • 1981 - Fellow of the American Association for the Advancement of Science (AAAS)
  • 1980 - Member of the National Academy of Sciences
  • 1956 - Fellow of Alfred P. Sloan Foundation

Overview

Howard E. Zimmerman was affiliated with the University of Wisconsin-Madison in the United States. Over the course of their career, Zimmerman contributed to scientific research, holding positions within academic environments dedicated to advancing knowledge in their fields of study. While specific topics, papers, or coauthors are not listed, their institutional association suggests engagement with significant scientific endeavors.

Zimmerman was recognized with several honors throughout their professional life. They were named a Fellow of the American Association for the Advancement of Science (AAAS) in 1981. The year prior, in 1980, Zimmerman became a Member of the National Academy of Sciences. Earlier in their career, in 1956, they were also designated a Fellow of the Alfred P. Sloan Foundation. These awards indicate a sustained level of professional acknowledgment during their active years.

The scientist's work spanned various aspects of academic research. However, no specific details were provided regarding their publication record, fields and subfields of study, or research topics. Similarly, information about frequent coauthors or publication venues was not available.

Zimmerman is deceased. The profile refrains from speculative statements on their legacy or impact due to limited data on their academic output or research focus.

Best Publications

  • The Stereochemistry of the Ivanov and Reformatsky Reactions. I

    Howard E. Zimmerman;Marjorie D. Traxler

  • Moebius-Hueckel concept in organic chemistry. Application of organic molecules and reactions

    Howard E. Zimmerman

  • On Molecular Orbital Correlation Diagrams, the Occurrence of Möbius Systems in Cyclization Reactions, and Factors Controlling Ground- and Excited-State Reactions. I

    Howard E. Zimmerman

  • Di-.pi.-methane and oxa-di-.pi.-methane rearrangements

    Stephen S. Hixson;Patrick S. Mariano;Howard E. Zimmerman

  • Synthetic Aspects of the Di-pi-methane Rearrangement.

    Howard E. Zimmerman;Diego Armesto

  • Mechanistic Organic Photochemistry. II.1,2 Solvolytic Photochemical Reactions

    Howard E. Zimmerman;Vernon R. Sandel

  • The Chemistry of Barrelene. III. A Unique Photoisomerization to Semibullvalene

    Howard E. Zimmerman;Gary L. Grunewald

  • Molecular Orbital Correlation Diagrams, Mobius Systems, and Factors Controlling Ground- and Excited-State Reactions. II

    Howard E. Zimmerman

  • THE META EFFECT IN ORGANIC PHOTOCHEMISTRY : MECHANISTIC AND EXPLORATORY ORGANIC PHOTOCHEMISTRY

    Howard E. Zimmerman

  • A New Approach to Mechanistic Organic Photochemistry. IV. Photochemical Rearrangements of 4,4-Diphenylcyclohexadienone

    Howard E. Zimmerman;David I. Schuster

  • Kinetic protonation of enols, enolates, and analogs. The stereochemistry of ketonization

    Howard E. Zimmerman

  • A Study of Hindered Divalent Carbon Species and Diazo Compounds

    Howard E. Zimmerman;Donald H. Paskovich

  • Mechanistic Organic Photochemistry. III. Excited State Solvolyses

    Howard E. Zimmerman;S. Somasekhara

  • A mechanistic analysis of the Birch Reduction.

    Howard E. Zimmerman

  • Mechanistic and exploratory organic photochemistry. XLIV. The barrelene to semibullvalene transformation. Correlation of excited-state potential energy surfaces with reactivity

    Howard E. Zimmerman;Roger W. Binkley;Richard S. Givens;Gary L. Grunewald

  • Overlap Control of Carbanionoid Reactions. I. Stereoselectivity in Alkaline Epoxidation

    Howard E. Zimmerman;Lawrence Singer;B. S. Thyagarajan

  • Mechanistic Organic Photochemistry

    H. E. Zimmerman

  • Meta-Ortho Effect in Organic Photochemistry: Mechanistic and Exploratory Organic Photochemistry1,2

    Howard E. Zimmerman

  • THE STEREOCHEMISTRY OF THE KETONIZATION REACTION OF ENOLS

    Howard E. Zimmerman

  • BICYCLO[2,2,2]-2,5,7-OCTATRIENE (BARRELENE), A UNIQUE CYCLIC SIX ELECTRON PI SYSTEM

    Howard E. Zimmerman;Robert M. Paufler

  • MO following. Molecular orbital counterpart of electron pushing

    Howard E. Zimmerman

Frequent Co-Authors

Laren M. Tolbert
Laren M. Tolbert Georgia Institute of Technology
Pengfei Wang
Pengfei Wang Harbin Engineering University
Igor V. Alabugin
Igor V. Alabugin Florida State University
Hiizu Iwamura
Hiizu Iwamura Nihon University
Gary E. Keck
Gary E. Keck University of Utah
Frank Weinhold
Frank Weinhold University of Wisconsin–Madison
Harry H. Wasserman
Harry H. Wasserman Yale University
Ilia A. Guzei
Ilia A. Guzei University of Wisconsin–Madison
David I. Schuster
David I. Schuster New York University
Reuben D. Rieke
Reuben D. Rieke University of Nebraska–Lincoln

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