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
Physics 88 2383 2264 1198 1115 574 30712

Mark Lacy publications per year

The chart shows the history of publications by Mark Lacy between 1991 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Mark Lacy published across 35 years, from 1991 to 2025, averaging 17.7 papers a year. Output peaked at 43 publications in 2007. 24 of the 621 publications appeared in the last two years.

No. of publications
10 20 30 40
Bar chart. Horizontal axis: year, 1991 to 2025. Vertical axis: number of publications, 0 to 43. Peak 43 publications in 2007. 1991: 2 publications 1992: 2 publications 1993: 3 publications 1994: 4 publications 1995: 6 publications 1996: 10 publications 1997: 7 publications 1998: 15 publications 1999: 11 publications 2000: 11 publications 2001: 11 publications 2002: 10 publications 2003: 14 publications 2004: 39 publications 2005: 23 publications 2006: 38 publications 2007: 43 publications 2008: 34 publications 2009: 30 publications 2010: 17 publications 2011: 18 publications 2012: 29 publications 2013: 22 publications 2014: 15 publications 2015: 27 publications 2016: 21 publications 2017: 21 publications 2018: 27 publications 2019: 26 publications 2020: 14 publications 2021: 14 publications 2022: 13 publications 2023: 20 publications 2024: 15 publications 2025: 9 publications
1991 2025

621 publications in total across all disciplines

View publications per year as a table
Mark Lacy: publications per year, 1991 to 2025
Year Publications
1991 2
1992 2
1993 3
1994 4
1995 6
1996 10
1997 7
1998 15
1999 11
2000 11
2001 11
2002 10
2003 14
2004 39
2005 23
2006 38
2007 43
2008 34
2009 30
2010 17
2011 18
2012 29
2013 22
2014 15
2015 27
2016 21
2017 21
2018 27
2019 26
2020 14
2021 14
2022 13
2023 20
2024 15
2025 9
Total 621
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Mark Lacy publication distribution in Physics in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Physics in 2026. The highlighted bar marks where Mark Lacy sits on this spectrum.

No. of scientists
50 100 150
Bar chart with 70 bars. Horizontal axis: publications, 103–122 to 1,469+. Vertical axis: number of scientists, 0 to 162. Most scientists, 162, have 323–342 publications. The last bar groups every scientist with 1,469 publications or more. The highlighted bar, 563–582 publications, is where this scientist sits. 103–122 publications: 7 scientists 123–142 publications: 10 scientists 143–162 publications: 31 scientists 163–182 publications: 35 scientists 183–202 publications: 53 scientists 203–222 publications: 81 scientists 223–242 publications: 85 scientists 243–262 publications: 112 scientists 263–282 publications: 114 scientists 283–302 publications: 126 scientists 303–322 publications: 136 scientists 323–342 publications: 162 scientists 343–362 publications: 155 scientists 363–382 publications: 156 scientists 383–402 publications: 134 scientists 403–422 publications: 145 scientists 423–442 publications: 147 scientists 443–462 publications: 131 scientists 463–482 publications: 131 scientists 483–502 publications: 116 scientists 503–522 publications: 106 scientists 523–542 publications: 103 scientists 543–562 publications: 87 scientists 563–582 publications: 84 scientists 583–602 publications: 94 scientists 603–622 publications: 70 scientists 623–642 publications: 76 scientists 643–662 publications: 60 scientists 663–682 publications: 54 scientists 683–702 publications: 60 scientists 703–722 publications: 48 scientists 723–742 publications: 64 scientists 743–762 publications: 48 scientists 763–782 publications: 37 scientists 783–802 publications: 43 scientists 803–822 publications: 34 scientists 823–842 publications: 36 scientists 843–862 publications: 32 scientists 863–882 publications: 32 scientists 883–902 publications: 31 scientists 903–922 publications: 25 scientists 923–942 publications: 15 scientists 943–962 publications: 24 scientists 963–982 publications: 13 scientists 983–1,002 publications: 21 scientists 1,003–1,022 publications: 21 scientists 1,023–1,042 publications: 16 scientists 1,043–1,062 publications: 9 scientists 1,063–1,082 publications: 19 scientists 1,083–1,102 publications: 11 scientists 1,103–1,122 publications: 17 scientists 1,123–1,142 publications: 11 scientists 1,143–1,162 publications: 7 scientists 1,163–1,182 publications: 4 scientists 1,183–1,202 publications: 10 scientists 1,203–1,222 publications: 8 scientists 1,223–1,242 publications: 16 scientists 1,243–1,262 publications: 4 scientists 1,263–1,282 publications: 10 scientists 1,283–1,302 publications: 5 scientists 1,303–1,322 publications: 7 scientists 1,323–1,342 publications: 4 scientists 1,343–1,362 publications: 8 scientists 1,363–1,382 publications: 6 scientists 1,383–1,402 publications: 7 scientists 1,403–1,422 publications: 3 scientists 1,423–1,442 publications: 4 scientists 1,443–1,462 publications: 4 scientists 1,463–1,468 publications: 3 scientists 1,469+ publications: 100 scientists
103–122 publications 1,469+

This scientist: 574 publications — 66th percentile

66% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 1,469 publications or more.

View publications distribution as a table
Number of Physics scientists by publication count, Research.com 2026 ranking edition. Based on 3,678 ranked scientists.
Publications Scientists This scientist
103–122 7
123–142 10
143–162 31
163–182 35
183–202 53
203–222 81
223–242 85
243–262 112
263–282 114
283–302 126
303–322 136
323–342 162
343–362 155
363–382 156
383–402 134
403–422 145
423–442 147
443–462 131
463–482 131
483–502 116
503–522 106
523–542 103
543–562 87
563–582 84 574
583–602 94
603–622 70
623–642 76
643–662 60
663–682 54
683–702 60
703–722 48
723–742 64
743–762 48
763–782 37
783–802 43
803–822 34
823–842 36
843–862 32
863–882 32
883–902 31
903–922 25
923–942 15
943–962 24
963–982 13
983–1,002 21
1,003–1,022 21
1,023–1,042 16
1,043–1,062 9
1,063–1,082 19
1,083–1,102 11
1,103–1,122 17
1,123–1,142 11
1,143–1,162 7
1,163–1,182 4
1,183–1,202 10
1,203–1,222 8
1,223–1,242 16
1,243–1,262 4
1,263–1,282 10
1,283–1,302 5
1,303–1,322 7
1,323–1,342 4
1,343–1,362 8
1,363–1,382 6
1,383–1,402 7
1,403–1,422 3
1,423–1,442 4
1,443–1,462 4
1,463–1,468 3
1,469+ 100
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Mark Lacy D-index placement in Physics in 2026

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

No. of scientists
50 100 150
Bar chart with 59 bars. Horizontal axis: D-Index, 70–71 to 185+. Vertical axis: number of scientists, 0 to 167. Most scientists, 167, have 80–81 D-Index. The last bar groups every scientist with 185 D-Index or more. The highlighted bar, 88–89 D-Index, is where this scientist sits. 70–71 D-Index: 76 scientists 72–73 D-Index: 110 scientists 74–75 D-Index: 143 scientists 76–77 D-Index: 153 scientists 78–79 D-Index: 144 scientists 80–81 D-Index: 167 scientists 82–83 D-Index: 167 scientists 84–85 D-Index: 166 scientists 86–87 D-Index: 132 scientists 88–89 D-Index: 155 scientists 90–91 D-Index: 134 scientists 92–93 D-Index: 137 scientists 94–95 D-Index: 102 scientists 96–97 D-Index: 112 scientists 98–99 D-Index: 110 scientists 100–101 D-Index: 116 scientists 102–103 D-Index: 97 scientists 104–105 D-Index: 103 scientists 106–107 D-Index: 87 scientists 108–109 D-Index: 90 scientists 110–111 D-Index: 67 scientists 112–113 D-Index: 78 scientists 114–115 D-Index: 75 scientists 116–117 D-Index: 67 scientists 118–119 D-Index: 69 scientists 120–121 D-Index: 60 scientists 122–123 D-Index: 59 scientists 124–125 D-Index: 53 scientists 126–127 D-Index: 42 scientists 128–129 D-Index: 41 scientists 130–131 D-Index: 33 scientists 132–133 D-Index: 32 scientists 134–135 D-Index: 45 scientists 136–137 D-Index: 19 scientists 138–139 D-Index: 24 scientists 140–141 D-Index: 28 scientists 142–143 D-Index: 31 scientists 144–145 D-Index: 22 scientists 146–147 D-Index: 20 scientists 148–149 D-Index: 12 scientists 150–151 D-Index: 16 scientists 152–153 D-Index: 24 scientists 154–155 D-Index: 23 scientists 156–157 D-Index: 15 scientists 158–159 D-Index: 15 scientists 160–161 D-Index: 11 scientists 162–163 D-Index: 17 scientists 164–165 D-Index: 12 scientists 166–167 D-Index: 11 scientists 168–169 D-Index: 9 scientists 170–171 D-Index: 9 scientists 172–173 D-Index: 11 scientists 174–175 D-Index: 4 scientists 176–177 D-Index: 8 scientists 178–179 D-Index: 5 scientists 180–181 D-Index: 3 scientists 182–183 D-Index: 4 scientists 184 D-Index: 4 scientists 185+ D-Index: 99 scientists
70–71 D-Index 185+

This scientist: 88 D-Index — 36th percentile

36% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 185 D-Index or more.

View D-Index distribution as a table
Number of Physics scientists by D-index, Research.com 2026 ranking edition. Based on 3,678 ranked scientists.
D-Index Scientists This scientist
70–71 76
72–73 110
74–75 143
76–77 153
78–79 144
80–81 167
82–83 167
84–85 166
86–87 132
88–89 155 88
90–91 134
92–93 137
94–95 102
96–97 112
98–99 110
100–101 116
102–103 97
104–105 103
106–107 87
108–109 90
110–111 67
112–113 78
114–115 75
116–117 67
118–119 69
120–121 60
122–123 59
124–125 53
126–127 42
128–129 41
130–131 33
132–133 32
134–135 45
136–137 19
138–139 24
140–141 28
142–143 31
144–145 22
146–147 20
148–149 12
150–151 16
152–153 24
154–155 23
156–157 15
158–159 15
160–161 11
162–163 17
164–165 12
166–167 11
168–169 9
170–171 9
172–173 11
174–175 4
176–177 8
178–179 5
180–181 3
182–183 4
184 4
185+ 99
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Overview

Mark Lacy is affiliated with the National Radio Astronomy Observatory in the United States. Their research primarily focuses on the fields of Physics and Astronomy, with a substantial body of work in subfields such as Astronomy and Astrophysics, Instrumentation, Nuclear and High Energy Physics, Atomic and Molecular Physics and Optics, and Epidemiology.

The main topics covered in their research include:

  • Galaxies: Formation, Evolution, Phenomena
  • Astronomy and Astrophysical Research
  • Stellar, planetary, and galactic studies
  • Astrophysics and Cosmic Phenomena
  • Astrophysical Phenomena and Observations
  • Radio Astronomy Observations and Technology
  • Astrophysics and Star Formation Studies

Mark Lacy has published extensively in several academic venues. The most frequent publication venues include:

  • The Astrophysical Journal
  • arXiv (Cornell University)
  • Monthly Notices of the Royal Astronomical Society
  • The Astrophysical Journal Letters
  • Research Notes of the AAS

Some recent papers authored by Mark Lacy and collaborators are:

  • A Spitzer survey of Deep Drilling Fields to be targeted by the Vera C. Rubin Observatory Legacy Survey of Space and Time, 2020, Monthly Notices of the Royal Astronomical Society
  • Observational Evidence for Cosmological Coupling of Black Holes and its Implications for an Astrophysical Source of Dark Energy, 2023, The Astrophysical Journal Letters
  • Quasars That Have Transitioned from Radio-quiet to Radio-loud on Decadal Timescales Revealed by VLASS and FIRST, 2020, The Astrophysical Journal
  • A Preferential Growth Channel for Supermassive Black Holes in Elliptical Galaxies at z ≲ 2, 2023, The Astrophysical Journal
  • The XMM-SERVS Survey: XMM-Newton Point-source Catalogs for the W-CDF-S and ELAIS-S1 Fields, 2021, The Astrophysical Journal Supplement Series

Frequent coauthors include:

  • D. Farrah
  • Kristina Nyland
  • Ilsang Yoon
  • J. Afonso
  • A. Efstathiou

Best Publications

  • The Infrared Array Camera (IRAC) for the Spitzer Space Telescope

    G. G. Fazio;J. L. Hora;L. E. Allen;M. L. N. Ashby

  • SPECTRAL ENERGY DISTRIBUTIONS AND MULTIWAVELENGTH SELECTION OF TYPE 1 QUASARS

    Gordon T. Richards;Gordon T. Richards;Mark Lacy;Lisa J. Storrie-Lombardi;Patrick B. Hall

  • LSST Science Book, Version 2.0

    Paul A. Abell;Julius Allison;Scott F. Anderson

  • Obscured and unobscured active galactic nuclei in the Spitzer Space Telescope First Look Survey

    M. Lacy;L. J. Storrie-Lombardi;A. Sajina;P. N. Appleton

  • The emission line—radio correlation for radio sources using the 7C Redshift Survey

    Chris J. Willott;Steve Rawlings;Katherine M. Blundell;Mark Lacy

  • THE EVOLUTIONARY HISTORY OF LYMAN BREAK GALAXIES BETWEEN REDSHIFT 4 AND 6: OBSERVING SUCCESSIVE GENERATIONS OF MASSIVE GALAXIES IN FORMATION

    Daniel P. Stark;Daniel P. Stark;Richard S. Ellis;Richard S. Ellis;Andrew Bunker;Kevin Bundy;Kevin Bundy

  • The radio luminosity function from the low-frequency 3CRR, 6CE and 7CRS complete samples

    Chris J. Willott;Steve Rawlings;Katherine M. Blundell;Mark Lacy;Mark Lacy

  • The Far- and Mid-Infrared/Radio Correlations in the Spitzer Extragalactic First Look Survey

    P. N. Appleton;D. T. Fadda;F. R. Marleau;D. T. Frayer

  • The Far- and Mid-Infrared/Radio Correlations in the Spitzer Extragalactic First Look Survey

    P. N. Appleton;D. T. Fadda;F. R. Marleau;D. T. Frayer

  • The Massive Hosts of Radio Galaxies Across Cosmic Time

    Nick Seymour;Daniel Stern;Carlos De Breuck;Joel Vernet

  • The radio luminosity function from the low-frequency 3CRR, 6CE & 7CRS complete samples

    Chris J. Willott;Steve Rawlings;Katherine M. Blundell;Mark Lacy

  • THE GEMINI CLUSTER ASTROPHYSICS SPECTROSCOPIC SURVEY (GCLASS): THE ROLE OF ENVIRONMENT AND SELF-REGULATION IN GALAXY EVOLUTION AT z ∼ 1 ∗

    Adam Muzzin;Adam Muzzin;Gillian Wilson;H. K. C. Yee;David Gilbank

  • Optical spectroscopy and X-ray detections of a sample of quasars and AGN selected in the mid-infrared from two Spitzer wide-area surveys

    M. Lacy;A. Petric;A. Petric;A. Sajina;G. Canalizo

  • The contribution of high-redshift galaxies to cosmic reionization: New results from deep WFC3 imaging of the Hubble Ultra Deep Field

    Andrew J. Bunker;Stephen Wilkins;Richard S. Ellis;Daniel P. Stark

  • Evidence for Quasar Activity Triggered by Galaxy Mergers in HST Observations of Dust-reddened Quasars

    Tanya Urrutia;Tanya Urrutia;Mark Lacy;Robert H. Becker;Robert H. Becker

  • Evidence for merger remnants in early-type host galaxies of low-redshift QSOs

    Nicola Bennert;Gabriela Canalizo;Bruno Jungwiert;Bruno Jungwiert;Alan Stockton

  • The Radio Luminosity-Black Hole Mass Correlation for Quasars from the FIRST Bright Quasar Survey and a “Unification Scheme” for Radio-loud and Radio-quiet Quasars

    Mark Lacy;Mark Lacy;Sally A. Laurent-Muehleisen;Susan E. Ridgway;Robert H. Becker

  • Optical Spectroscopy and X-Ray Detections of a Sample of Quasars and Active Galactic Nuclei Selected in the Mid-Infrared from Two Spitzer Space Telescope Wide-Area Surveys

    M. Lacy;A. O. Petric;A. O. Petric;A. Sajina;G. Canalizo

  • In-flight performance and calibration of the Infrared Array Camera (IRAC) for the Spitzer Space Telescope

    Joseph L. Hora;Giovanni G. Fazio;Lori E. Allen;Matthew L. N. Ashby

Frequent Co-Authors

Steve Rawlings
Steve Rawlings University of Oxford
Jason Surace
Jason Surace California Institute of Technology
Robert H. Becker
Robert H. Becker University of California, Davis
Lee Armus
Lee Armus California Institute of Technology
Matt J. Jarvis
Matt J. Jarvis University of Oxford
Duncan Farrah
Duncan Farrah University of Hawaii at Manoa
Harry I. Teplitz
Harry I. Teplitz California Institute of Technology
Chris J. Willott
Chris J. Willott National Academies of Sciences, Engineering, and Medicine
Daniel Stern
Daniel Stern California Institute of Technology
George Helou
George Helou California Institute of Technology

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