World's Best Scientists 2026 revealed!
Ernst-Walter Knapp

Ernst-Walter Knapp

D-Index & Metrics

Chemistry

D-Index
55
Citations
10704
World Ranking
12141
National Ranking
895

Ernst-Walter Knapp 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 Ernst-Walter Knapp 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: 191 publications — 29th percentile

29% of scientists in this discipline score the same or lower.

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

Ernst-Walter Knapp 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 Ernst-Walter Knapp 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: 55 D-Index — 33rd percentile

33% of scientists in this discipline score the same or lower.

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

Overview

Ernst-Walter Knapp is affiliated with Freie Universität Berlin in Germany. Their research spans several scientific disciplines, evident in the diversity of their publication record and subfields of study.

Their recent publications include two notable papers: "Quantification of Local Electric Field Changes at the Active Site of Cytochrome c Oxidase by Fourier Transform Infrared Spectroelectrochemical Titrations" published in 2021 in Frontiers in Chemistry, and "Moments of Gaussian Distributions for Small and Large Sample Sizes Revisited" published in 2024 in Mathematics and Statistics.

Knapp's collaboration network consists of frequent co-authors such as Federico Baserga, Jovan Dragelj, Jacek Kozuch, Hendrik Mohrmann, and Sven T. Stripp, each contributing to at least one joint publication.

The research topics covered in Knapp's work reflect an interdisciplinary approach, including:

  • Spectroscopy and Quantum Chemical Studies
  • Photoreceptor and Optogenetics Research
  • Photosynthetic Processes and Mechanisms
  • Bayesian Methods and Mixture Models
  • Statistical Distribution Estimation and Applications

These topics illustrate the scientist's involvement in both experimental and theoretical studies, linking molecular biology and physical chemistry with advanced statistical and computational methods.

Knapp's research areas further encompass the following subfields of study:

  • Atomic and Molecular Physics, and Optics
  • Cellular and Molecular Neuroscience
  • Molecular Biology
  • Artificial Intelligence
  • Statistics and Probability

Publishing in Frontiers in Chemistry and Mathematics and Statistics highlights the interdisciplinary nature of their work, bridging chemistry and mathematical sciences.

Best Publications

  • Multivalency as a chemical organization and action principle.

    Carlo Fasting;Christoph A. Schalley;Marcus Weber;Oliver Seitz

  • Lineshapes of molecular aggregates, exchange narrowing and intersite correlation

    E.W. Knapp

  • Protein dynamics. Mössbauer spectroscopy on deoxymyoglobin crystals.

    F. Parak;F. Parak;E.W. Knapp;E.W. Knapp;D. Kucheida;D. Kucheida

  • Electrostatic models for computing protonation and redox equilibria in proteins.

    Ullmann Gm;Knapp Ew

  • α-Helices direct excitation energy flow in the Fenna–Matthews–Olson protein

    Frank Müh;Mohamed El Amine Madjet;Julia Adolphs;Ayjamal Abdurahman;Ayjamal Abdurahman

  • A consistent picture of protein dynamics.

    F Parak;E W Knapp

  • Energetics of a possible proton exit pathway for water oxidation in photosystem II.

    Hiroshi Ishikita;Wolfram Saenger;Bernhard Loll;Jacek Biesiadka

  • Calculated pH-dependent population and protonation of carbon-monoxy-myoglobin conformers.

    Björn Rabenstein;Ernst-Walter Knapp

  • Optimizing pKA computation in proteins with pH adapted conformations

    Gernot Kieseritzky;Ernst-Walter Knapp

  • Analysis of optical spectra from single crystals of Rhodopseudomonas viridis reaction centers

    Ernst Walter Knapp;Sighart Fischer;Wolfgang Zinth;M. Sander

  • Recent advances in anion–π interactions

    Arturo Robertazzi;Florian Krull;Ernst-Walter Knapp;Patrick Gamez

  • Oxygen-evolving Mn cluster in photosystem II: the protonation pattern and oxidation state in the high-resolution crystal structure.

    Artur Galstyan;Arturo Robertazzi;Ernst Walter Knapp

  • Redox potential of quinones in both electron transfer branches of photosystem I.

    Hiroshi Ishikita;Ernst-Walter Knapp

  • Metal Ligand Aromatic Cation–π Interactions in Metalloproteins: Ligands Coordinated to Metal Interact with Aromatic Residues

    Snežana D. Zarić;Dragan M. Popović;Ernst-Walter Knapp

  • Empirical Conversion of pKa Values between Different Solvents and Interpretation of the Parameters: Application to Water, Acetonitrile, Dimethyl Sulfoxide, and Methanol

    Emanuele Rossini;Emanuele Rossini;Art D. Bochevarov;Ernst Walter Knapp

  • Protein dynamics from Moessbauer spectra. The temperature dependence

    E. W. Knapp;S. F. Fischer;F. Parak

  • Multivalenz als chemisches Organisations- und Wirkprinzip

    Carlo Fasting;Christoph A. Schalley;Marcus Weber;Oliver Seitz

  • How photosynthetic reaction centers control oxidation power in chlorophyll pairs P680, P700, and P870

    Hiroshi Ishikita;Wolfram Saenger;Jacek Biesiadka;Bernhard Loll

  • Accurate pKa Determination for a Heterogeneous Group of Organic Molecules

    Marcel Schmidt am Busch;Ernst-Walter Knapp

  • The concentration dependence of the vibrational linewidth and shift in liquid binary mixtures: An analytical model

    E. W. Knapp;S. F. Fischer

  • How to guarantee optimal stability for most representative structures in the Protein Data Bank.

    Ugo Bastolla;Jochen Farwer;Ernst Walter Knapp;Michele Vendruscolo

Frequent Co-Authors

Wolfram Saenger
Wolfram Saenger Freie Universität Berlin
Stefan Hecht
Stefan Hecht Humboldt-Universität zu Berlin
Christoph A. Schalley
Christoph A. Schalley Freie Universität Berlin
Joachim Heberle
Joachim Heberle Freie Universität Berlin
Oliver Seitz
Oliver Seitz Humboldt-Universität zu Berlin
Rainer Haag
Rainer Haag Freie Universität Berlin
Beate Koksch
Beate Koksch Freie Universität Berlin
Lennart Nilsson
Lennart Nilsson Karolinska Institute
Andreas Herrmann
Andreas Herrmann Humboldt-Universität zu Berlin
Johann Deisenhofer
Johann Deisenhofer The University of Texas Southwestern Medical Center

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