J. Townsend

1.9k total citations · 1 hit paper
19 papers, 1.4k citations indexed

About

J. Townsend is a scholar working on Biophysics, Atomic and Molecular Physics, and Optics and Materials Chemistry. According to data from OpenAlex, J. Townsend has authored 19 papers receiving a total of 1.4k indexed citations (citations by other indexed papers that have themselves been cited), including 7 papers in Biophysics, 5 papers in Atomic and Molecular Physics, and Optics and 5 papers in Materials Chemistry. Recurrent topics in J. Townsend's work include Electron Spin Resonance Studies (7 papers), Spectroscopy and Quantum Chemical Studies (4 papers) and Advanced NMR Techniques and Applications (3 papers). J. Townsend is often cited by papers focused on Electron Spin Resonance Studies (7 papers), Spectroscopy and Quantum Chemical Studies (4 papers) and Advanced NMR Techniques and Applications (3 papers). J. Townsend collaborates with scholars based in United States and Netherlands. J. Townsend's co-authors include Barry Commoner, G. E. Pake, Mildred Cohn, S. I. Weissman, John Heise, Donald E. Paul, Janet V. Passonneau, Richard E. Norberg, Barbara B. Lippincott and David Lipkin and has published in prestigious journals such as Nature, Science and Proceedings of the National Academy of Sciences.

In The Last Decade

J. Townsend

19 papers receiving 1.2k citations

Hit Papers

Free Radicals in Biological Materials 1954 2026 1978 2002 1954 100 200 300 400 500
What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if it has ≥500 total citations, achieves ≥1.5× the top-1% citation threshold for papers in the same subfield and year (this is the minimum needed to enter the top 1%, not the average within it), or reaches the top citation threshold in at least one of its specific research topics.

  1. Free Radicals in Biological Materials
    1954 515 citations Barry Commoner, J. Townsend et al. Nature profile →

Peers — A (Enhanced Table)

Peers by citation overlap · career bar shows stage (early→late) cites · hero ref

Name h Career Trend Papers Cites
J. Townsend United States 14 513 258 223 210 195 19 1.4k
Louis J. Libertini United States 22 995 1.9× 272 1.1× 285 1.3× 281 1.3× 189 1.0× 43 1.7k
Richard D. Spencer United States 13 853 1.7× 281 1.1× 226 1.0× 196 0.9× 277 1.4× 16 1.6k
C. C. McDonald United States 21 849 1.7× 154 0.6× 177 0.8× 332 1.6× 436 2.2× 39 1.6k
A. Suggett United Kingdom 17 455 0.9× 54 0.2× 248 1.1× 196 0.9× 171 0.9× 26 1.5k
Douglas R. James Canada 15 424 0.8× 139 0.5× 334 1.5× 284 1.4× 141 0.7× 22 1.1k
Haywood Blum United States 20 518 1.0× 150 0.6× 179 0.8× 257 1.2× 123 0.6× 66 1.4k
Michael H. Klapper United States 24 1.1k 2.2× 164 0.6× 142 0.6× 313 1.5× 234 1.2× 66 2.1k
Raymond E. Hansen United States 23 1.1k 2.1× 182 0.7× 155 0.7× 144 0.7× 118 0.6× 37 1.7k
D. H. Irvine United Kingdom 20 572 1.1× 152 0.6× 90 0.4× 136 0.6× 136 0.7× 58 1.5k
Donald P. Hollis United States 22 629 1.2× 178 0.7× 85 0.4× 188 0.9× 544 2.8× 47 1.7k

Countries citing papers authored by J. Townsend

Since Specialization
Citations

This map shows the geographic impact of J. Townsend's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by J. Townsend with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites J. Townsend more than expected).

Fields of papers citing papers by J. Townsend

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by J. Townsend. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by J. Townsend. The network helps show where J. Townsend may publish in the future.

Co-authorship network of co-authors of J. Townsend

This figure shows the co-authorship network connecting the top 25 collaborators of J. Townsend. A scholar is included among the top collaborators of J. Townsend based on the total number of citations received by their joint publications. Widths of edges represent the number of papers authors have co-authored together. Node borders signify the number of papers an author published with J. Townsend. J. Townsend is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

19 of 19 papers shown
1.
Townsend, J., Atsuko Kanazawa, & David Kramer. (1998). Measurements of S2QB− recombination by delayed thermoluminescence reveal heterogeneity in photosystem II energetics. Phytochemistry. 47(4). 641–649. 7 indexed citations
2.
Garvey, Dennis W., Kurt A. Zimmerman, Philip Young, et al.. (1996). Single-mode nonlinear-optical polymer fibers. Journal of the Optical Society of America B. 13(9). 2017–2017. 43 indexed citations
3.
Kohl, Daniel H., J. Townsend, Barry Commoner, et al.. (1965). Effects of Isotopic Substitution on Electron Spin Resonance Signals in Photosynthetic Organisms. Nature. 206(4989). 1105–1110. 41 indexed citations
4.
Townsend, J., et al.. (1965). Dynamic Nuclear Enhancement in Metallic Sodium. Physical Review. 137(2A). A476–A482. 4 indexed citations
5.
Townsend, J., et al.. (1964). Gated Integrator for Repetitive Signals. Review of Scientific Instruments. 35(12). 1692–1697. 25 indexed citations
6.
Commoner, Barry, Daniel H. Kohl, & J. Townsend. (1963). FAST KINETICS OF UNPAIRED ELECTRONS IN PHOTOSYNTHETIC SYSTEMS. Proceedings of the National Academy of Sciences. 50(4). 638–644. 9 indexed citations
7.
Townsend, J.. (1962). EQUATIONS FOR THE INCORPORATION OF RADIOACTIVITY DUE TO THE LINEAR GROWTH OF TOBACCO MOSAIC VIRUS. Proceedings of the National Academy of Sciences. 48(12). 2083–2087. 1 indexed citations
8.
Hoijtink, G. J., J. Townsend, & S. I. Weissman. (1961). Spin Density in Pyrene Negative Ion. The Journal of Chemical Physics. 34(2). 507–508. 40 indexed citations
9.
Commoner, Barry, John Heise, Barbara B. Lippincott, et al.. (1957). Biological Activity of Free Radicals. Science. 126(3263). 57–63. 94 indexed citations
10.
Commoner, Barry, John Heise, & J. Townsend. (1956). LIGHT-INDUCED PARAMAGNETISM IN CHLOROPLASTS. Proceedings of the National Academy of Sciences. 42(10). 710–718. 127 indexed citations
11.
Pake, G. E., et al.. (1955). Paramagnetic resonance of free radicals. Discussions of the Faraday Society. 19. 147–147. 20 indexed citations
12.
Commoner, Barry, J. Townsend, & G. E. Pake. (1954). Free Radicals in Biological Materials. Nature. 174(4432). 689–691. 515 indexed citations breakdown →
13.
Cohn, Mildred & J. Townsend. (1954). A Study of Manganous Complexes by Paramagnetic Resonance Absorption. Nature. 173(4414). 1090–1091. 208 indexed citations
14.
Weissman, S. I., J. Townsend, Donald E. Paul, & G. E. Pake. (1953). Hyperfine Splittings in the Paramagnetic Resonances of Free Radicals. The Journal of Chemical Physics. 21(12). 2227–2228. 36 indexed citations
15.
Chu, T. L., G. E. Pake, Donald E. Paul, J. Townsend, & S. I. Weissman. (1953). Paramagnetic Resonance Absorption of Free Radicals. The Journal of Physical Chemistry. 57(5). 504–507. 47 indexed citations
16.
Townsend, J., S. I. Weissman, & G. E. Pake. (1953). Hyperfine Structure in the Paramagnetic Resonance of the Ion(SO3)2NO−−. Physical Review. 89(3). 606–606. 21 indexed citations
17.
Lipkin, David, Donald E. Paul, J. Townsend, & S. I. Weissman. (1953). Observations on a Class of Free Radicals Derived from Aromatic Compounds. Science. 117(3046). 534–535. 59 indexed citations
18.
Pake, G. E., J. Townsend, & S. I. Weissman. (1952). Hyperfine Structure in the Paramagnetic Resonance of the Ion(SO3)2NO−−. Physical Review. 85(4). 682–683. 69 indexed citations
19.
Cleland, M.R., J. Townsend, & A. L. Hughes. (1951). Internal Pair Conversion inMg24Nuclei. Physical Review. 84(2). 298–304. 12 indexed citations

Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive bibliographic database. While OpenAlex provides broad and valuable coverage of the global research landscape, it—like all bibliographic datasets—has inherent limitations. These include incomplete records, variations in author disambiguation, differences in journal indexing, and delays in data updates. As a result, some metrics and network relationships displayed in Rankless may not fully capture the entirety of a scholar's output or impact.

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