World's Best Scientists 2026 revealed!

D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Chemistry 60 9822 8885 2748 2259 385 11349

A. R. W. McKellar publications per year

The chart shows the history of publications by A. R. W. McKellar between 1950 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. A. R. W. McKellar published across 76 years, from 1950 to 2025, averaging 6 papers a year. Output peaked at 21 publications in 2010. 8 of the 454 publications appeared in the last two years.

No. of publications
5 10 15 20
Bar chart. Horizontal axis: year, 1950 to 2025. Vertical axis: number of publications, 0 to 21. Peak 21 publications in 2010. 1950: 2 publications 1951: 1 publication 1952: 3 publications 1953: 1 publication 1954: 2 publications 1955: 2 publications 1956: 2 publications 1957: 4 publications 1958: 3 publications 1959: 0 publications 1960: 1 publication 1961: 0 publications 1962: 0 publications 1963: 0 publications 1964: 0 publications 1965: 0 publications 1966: 0 publications 1967: 0 publications 1968: 0 publications 1969: 0 publications 1970: 2 publications 1971: 2 publications 1972: 2 publications 1973: 4 publications 1974: 6 publications 1975: 5 publications 1976: 3 publications 1977: 6 publications 1978: 7 publications 1979: 9 publications 1980: 3 publications 1981: 8 publications 1982: 11 publications 1983: 16 publications 1984: 12 publications 1985: 5 publications 1986: 9 publications 1987: 9 publications 1988: 8 publications 1989: 6 publications 1990: 9 publications 1991: 3 publications 1992: 5 publications 1993: 7 publications 1994: 9 publications 1995: 3 publications 1996: 6 publications 1997: 8 publications 1998: 8 publications 1999: 9 publications 2000: 6 publications 2001: 11 publications 2002: 6 publications 2003: 8 publications 2004: 8 publications 2005: 7 publications 2006: 7 publications 2007: 15 publications 2008: 14 publications 2009: 19 publications 2010: 21 publications 2011: 18 publications 2012: 12 publications 2013: 13 publications 2014: 3 publications 2015: 8 publications 2016: 5 publications 2017: 4 publications 2018: 5 publications 2019: 9 publications 2020: 4 publications 2021: 11 publications 2022: 6 publications 2023: 5 publications 2024: 5 publications 2025: 3 publications
1950 2025

454 publications in total across all disciplines

View publications per year as a table
A. R. W. McKellar: publications per year, 1950 to 2025
Year Publications
1950 2
1951 1
1952 3
1953 1
1954 2
1955 2
1956 2
1957 4
1958 3
1959 0
1960 1
1961 0
1962 0
1963 0
1964 0
1965 0
1966 0
1967 0
1968 0
1969 0
1970 2
1971 2
1972 2
1973 4
1974 6
1975 5
1976 3
1977 6
1978 7
1979 9
1980 3
1981 8
1982 11
1983 16
1984 12
1985 5
1986 9
1987 9
1988 8
1989 6
1990 9
1991 3
1992 5
1993 7
1994 9
1995 3
1996 6
1997 8
1998 8
1999 9
2000 6
2001 11
2002 6
2003 8
2004 8
2005 7
2006 7
2007 15
2008 14
2009 19
2010 21
2011 18
2012 12
2013 13
2014 3
2015 8
2016 5
2017 4
2018 5
2019 9
2020 4
2021 11
2022 6
2023 5
2024 5
2025 3
Total 454
Download as CSV

A. R. W. McKellar 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 A. R. W. McKellar sits on this spectrum.

No. of scientists
250 500 750 1,000 1,250
Bar chart with 63 bars. Horizontal axis: publications, 61–80 to 1,295+. Vertical axis: number of scientists, 0 to 1,350. Most scientists, 1,350, have 161–180 publications. The last bar groups every scientist with 1,295 publications or more. The highlighted bar, 381–400 publications, is where this scientist sits. 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
61–80 publications 1,295+

This scientist: 385 publications — 78th percentile

78% of scientists in this discipline score the same or lower.

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

View publications distribution as a table
Number of Chemistry scientists by publication count, Research.com 2026 ranking edition. Based on 17,934 ranked scientists.
Publications Scientists This scientist
61–80 66
81–100 302
101–120 623
121–140 918
141–160 1,218
161–180 1,350
181–200 1,344
201–220 1,281
221–240 1,216
241–260 1,100
261–280 979
281–300 939
301–320 764
321–340 643
341–360 628
361–380 522
381–400 459 385
401–420 397
421–440 327
441–460 270
461–480 265
481–500 252
501–520 201
521–540 185
541–560 148
561–580 148
581–600 132
601–620 114
621–640 104
641–660 91
661–680 92
681–700 73
701–720 57
721–740 54
741–760 67
761–780 45
781–800 46
801–820 39
821–840 32
841–860 36
861–880 29
881–900 26
901–920 24
921–940 14
941–960 23
961–980 28
981–1,000 15
1,001–1,020 29
1,021–1,040 12
1,041–1,060 19
1,061–1,080 12
1,081–1,100 6
1,101–1,120 8
1,121–1,140 12
1,141–1,160 5
1,161–1,180 6
1,181–1,200 14
1,201–1,220 7
1,221–1,240 2
1,241–1,260 6
1,261–1,280 4
1,281–1,294 6
1,295+ 100
Download as CSV

A. R. W. McKellar 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 A. R. W. McKellar sits on this spectrum.

No. of scientists
250 500 750 1,000
Bar chart with 61 bars. Horizontal axis: D-Index, 40–41 to 159+. Vertical axis: number of scientists, 0 to 1,051. Most scientists, 1,051, have 56–57 D-Index. The last bar groups every scientist with 159 D-Index or more. The highlighted bar, 60–61 D-Index, is where this scientist sits. 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
40–41 D-Index 159+

This scientist: 60 D-Index — 47th percentile

47% of scientists in this discipline score the same or lower.

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

View D-Index distribution as a table
Number of Chemistry scientists by D-index, Research.com 2026 ranking edition. Based on 17,934 ranked scientists.
D-Index Scientists This scientist
40–41 289
42–43 612
44–45 808
46–47 776
48–49 835
50–51 861
52–53 872
54–55 933
56–57 1,051
58–59 930
60–61 882 60
62–63 834
64–65 731
66–67 775
68–69 683
70–71 646
72–73 561
74–75 501
76–77 437
78–79 388
80–81 354
82–83 292
84–85 275
86–87 254
88–89 235
90–91 185
92–93 192
94–95 155
96–97 163
98–99 125
100–101 105
102–103 105
104–105 112
106–107 88
108–109 68
110–111 69
112–113 65
114–115 79
116–117 61
118–119 44
120–121 37
122–123 40
124–125 33
126–127 26
128–129 34
130–131 35
132–133 25
134–135 27
136–137 17
138–139 16
140–141 20
142–143 20
144–145 15
146–147 9
148–149 9
150–151 16
152–153 11
154–155 9
156–157 3
158 3
159+ 98
Download as CSV

Research.com Recognitions

  • 1990 - Fellow of the Royal Society of Canada Academy of Science
  • 1942 - Fellow of the Royal Society of Canada

Overview

A. R. W. McKellar is affiliated with the National Academies of Sciences, Engineering, and Medicine in the United States. Their research primarily focuses on the fields of chemistry and physics and astronomy, with significant contributions in spectroscopy, atomic and molecular physics, and optics. The scientist has published extensively in areas including atmospheric science and inorganic chemistry.

Their main research topics include spectroscopy and laser applications, advanced chemical physics studies, molecular spectroscopy and structure, atmospheric ozone and climate, quantum and superfluid helium dynamics, atmospheric and environmental gas dynamics, and inorganic fluorides and related compounds.

Frequent coauthors with whom McKellar has collaborated include:

  • N. Moazzen-Ahmadi
  • A. J. Barclay
  • Andrea Pietropolli Charmet
  • N. Moazzen-Ahmadi

They have published research in several venues, notably:

  • The Journal of Chemical Physics
  • arXiv (Cornell University)
  • Journal of Molecular Spectroscopy
  • Proceedings of the 2021 International Symposium on Molecular Spectroscopy
  • Physical Chemistry Chemical Physics

Recent papers authored or coauthored by McKellar include:

  • Spectra of CO2-N2 dimer in the 4.2 μm region: Symmetry breaking of the intramolecular CO2 bend, the intermolecular bend, and higher K-values for the fundamental (2020), The Journal of Chemical Physics
  • New infrared spectra of CO2 - Ne: Fundamental for CO2 -22Ne isotopologue, intermolecular bend, and symmetry breaking of the intramolecular CO2 bend (2021), Chemical Physics Letters
  • Doped rare gas clusters up to completion of first solvation shell, CO2-(Rg)n, n = 3-17, Rg = Ar, Kr, Xe (2023), The Journal of Chemical Physics
  • Infrared spectra of both isomers of CO2-CO in the CO2 v3 region (2021), Molecular Physics
  • Weakly-bound clusters of atmospheric molecules: infrared spectra and structural calculations of (CO2)n-(CO)m-(N2)p, (n,m,p) = (2,1,0), (2,0,1), (1,2,0), (1,0,2), (1,1,1), (1,3,0), (1,0,3), (1,2,1), (1,1,2) (2022), Physical Chemistry Chemical Physics

A. R. W. McKellar has been recognized as a Fellow of the Royal Society of Canada, receiving this honor in 1942 and again in 1990 with citation to the Academy of Science.

Best Publications

  • Far infrared laser magnetic resonance of singlet methylene: Singlet–triplet perturbations, singlet–triplet transitions, and the singlet–triplet splittinga)

    A. R. W. McKellar;P. R. Bunker;Trevor J. Sears;K. M. Evenson

  • Quantum Solvation of Carbonyl Sulfide with Helium Atoms

    Jian Tang;Yunjie Xu;A. R. W. McKellar;Wolfgang Jäger

  • THE ROTATIONAL SPECTRUM AND HYPERFINE STRUCTURE OF THE METHYLENE RADICAL CH2 STUDIED BY FAR INFRARED LASER MAGNETIC RESONANCE SPECTROSCOPY

    T. J. Sears;P. R. Bunker;A. R. W. Mckellar;K. M. Evenson

  • Infrared spectrum and potential energy surface of He–CO

    Claudio E. Chuaqui;Robert J. Le Roy;A. R. W. McKellar

  • The infrared spectrum of the ν2 fundamental band of the molecular ion

    J. K. G. Watson;S. C. Foster;A. R. W. McKellar

  • Spectroscopic studies of quantum solvation in 4HeN-N2O clusters.

    Yunjie Xu;Wolfgang Jäger;Jian Tang;A. R. W. McKellar

  • Anisotropic Intermolecular Force Effects in Spectra of H2– and D2–Rare‐Gas Complexes

    A. R. W. McKellar;H. L. Welsh

  • THE NO DIMER : 15N ISOTOPIC INFRARED SPECTRA, LINE-WIDTHS, AND FORCE FIELD

    A. R. W. McKellar;J. K. G. Watson;B. J. Howard

  • Laser magnetic resonance spectroscopy of the ν3 fundamental band of HO2 at 9.1 μm

    J. W. C. Johns;A. R. W. McKellar;M. Riggin

  • The ν3 fundamental bands of HN+2, DN+2, and DCO+

    S. C. Foster;A. R. W. McKellar

  • Bridging the Gap between Small Clusters and Nanodroplets: Spectroscopic Study and Computer Simulation of Carbon Dioxide Solvated with Helium Atoms

    J. Tang;A. R. W. Mckellar;F. Mezzacapo;S. Moroni

  • Spectra of (H2)2, (D2)2, and H2–D2 Van der Waals Complexes

    A. R. W. McKellar;H. L. Welsh

  • Observation of the ν3 fundamental band of HCO

    S. C. Foster;A. R. W. McKellar;Trevor J. Sears

  • Collision‐induced Lamb dips in laser Stark spectroscopy

    J. W. C. Johns;A. R. W. McKellar;T. Oka;M. Römheld

  • Spectroscopic exploration of atomic scale superfluidity in doped helium nanoclusters.

    A. R. W. McKellar;Yunjie Xu;Wolfgang Jäger

  • Improved laser frequencies and Dunham coefficients for isotopically substituted carbon monoxide

    R. M. Dale;M. Herman;J. W. C. Johns;A. R. W. McKellar

  • Diode laser spectroscopy of gas phase C5: The ν3 fundamental and associated hot bands

    N. Moazzen‐Ahmadi;A. R. W. McKellar;T. Amano

  • Spectroscopy of dimers, trimers and larger clusters of linear molecules

    N. Moazzen-Ahmadi;A.R.W. McKellar

  • High-Resolution Infrared Spectroscopy with Synchrotron Sources

    A.R.W. McKellar

  • Infrared absorption spectroscopy of the COAr complex

    A.R.W McKellar;Y.P Zeng;S.W Sharpe;C Wittig

  • Laser Spectroscopy V

    A. R. W. McKellar;T. Oka;B. P. Stoicheff

  • Cluster dynamics in the range N=2–20: High resolution infrared spectra of HeN–CO

    Jian Tang;A. R. W. McKellar

Frequent Co-Authors

Trevor J. Sears
Trevor J. Sears Stony Brook University
Robert J. Le Roy
Robert J. Le Roy University of Waterloo
Takeshi Oka
Takeshi Oka University of Chicago
Wolfgang Jäger
Wolfgang Jäger University of Alberta
Daniel Hurtmans
Daniel Hurtmans Université Libre de Bruxelles
Tucker Carrington
Tucker Carrington Queen's University
Krzysztof Szalewicz
Krzysztof Szalewicz University of Delaware
James B. Burkholder
James B. Burkholder National Oceanic and Atmospheric Administration
Michel Herman
Michel Herman Université Libre de Bruxelles
John M. Brown
John M. Brown University of Oxford

If you think any of the details on this page are incorrect, let us know.

Report an issue

We appreciate your kind effort to assist us to improve this page, it would be helpful providing us with as much detail as possible in the text box below:

Related Online Degrees & Career Pathways

Studying Chemistry in the USA opens doors to diverse career opportunities, many of which intersect with fields like forensic science and criminal justice. For example, students interested in crime scene analysis might explore forensic careers, which combine chemical knowledge with investigative skills.

Those considering a swift transition into the justice system can benefit from exploring an criminal justice associate degree online. This path provides foundational knowledge with flexible learning options, often at a lower cost compared to traditional programs.

When planning education budgets, it’s vital to understand the criminal justice degree online cost, as these vary widely depending on the institution and program format.

Further, graduates aiming to support legal processes might consider paralegal roles. Exploring the paralegal salary associate's degree options can provide insight into earning potential and educational requirements, enhancing informed career decisions.

Best Scientists Citing A. R. W. McKellar

Trending Scientists

Recently Published Articles