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D-Index & Metrics

Discipline name D-Index World Ranking National Ranking Publications Citations
Genetics 59 3197 1390 133 22996

Richard S. Spielman publications per year

The chart shows the history of publications by Richard S. Spielman between 1972 and 2011, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Richard S. Spielman published across 40 years, from 1972 to 2011, averaging 3.6 papers a year. Output peaked at 10 publications in 1989. 7 of the 142 publications appeared in the last two years.

No. of publications
2 4 6 8 10
Bar chart. Horizontal axis: year, 1972 to 2011. Vertical axis: number of publications, 0 to 10. Peak 10 publications in 1989. 1972: 1 publication 1973: 2 publications 1974: 1 publication 1975: 1 publication 1976: 0 publications 1977: 4 publications 1978: 3 publications 1979: 3 publications 1980: 2 publications 1981: 4 publications 1982: 4 publications 1983: 2 publications 1984: 3 publications 1985: 1 publication 1986: 1 publication 1987: 3 publications 1988: 6 publications 1989: 10 publications 1990: 2 publications 1991: 3 publications 1992: 3 publications 1993: 3 publications 1994: 3 publications 1995: 9 publications 1996: 4 publications 1997: 0 publications 1998: 5 publications 1999: 3 publications 2000: 3 publications 2001: 3 publications 2002: 8 publications 2003: 5 publications 2004: 6 publications 2005: 8 publications 2006: 1 publication 2007: 6 publications 2008: 4 publications 2009: 5 publications 2010: 5 publications 2011: 2 publications
1972 2011

142 publications in total across all disciplines

View publications per year as a table
Richard S. Spielman: publications per year, 1972 to 2011
Year Publications
1972 1
1973 2
1974 1
1975 1
1976 0
1977 4
1978 3
1979 3
1980 2
1981 4
1982 4
1983 2
1984 3
1985 1
1986 1
1987 3
1988 6
1989 10
1990 2
1991 3
1992 3
1993 3
1994 3
1995 9
1996 4
1997 0
1998 5
1999 3
2000 3
2001 3
2002 8
2003 5
2004 6
2005 8
2006 1
2007 6
2008 4
2009 5
2010 5
2011 2
Total 142
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Richard S. Spielman publications per year - data summary

  • Richard S. Spielman, a Genetics scholar from University of Pennsylvania, has 142 publications recorded across 40 years, from 1972 to 2011.
  • The oldest publication on record dates to 1972 and the most recent to 2011.
  • The most productive year is 1989, with 10 publications.
  • The least productive years with any output are 1972, 1974, 1975, 1985 and others, with 1 publication each.
  • 2 of the 40 years in the span carry no publications at all (1976 and 1997).
  • The rate of publication averages 3.5 papers per year over the whole span, or 3.7 per year counting only the 38 years with at least one publication.
  • The last 5 years on the chart (2007-2011) hold 22 publications, 15% of the career total.
  • Split into equal eras - 1972-1985: 31 publications (2.2 per year); 1986-1999: 55 publications (3.9 per year); 2000-2011: 56 publications (4.7 per year).
  • Comparing the opening and closing eras, the overall trend of publication is rising.

Richard S. Spielman publication distribution in Genetics in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Genetics in 2026. The highlighted bar marks where Richard S. Spielman sits on this spectrum.

No. of scientists
50 100 150 200
Bar chart with 67 bars. Horizontal axis: publications, 45–54 to 703+. Vertical axis: number of scientists, 0 to 217. Most scientists, 217, have 125–134 publications. The last bar groups every scientist with 703 publications or more. The highlighted bar, 125–134 publications, is where this scientist sits. 45–54 publications: 6 scientists 55–64 publications: 10 scientists 65–74 publications: 35 scientists 75–84 publications: 84 scientists 85–94 publications: 102 scientists 95–104 publications: 151 scientists 105–114 publications: 175 scientists 115–124 publications: 203 scientists 125–134 publications: 217 scientists 135–144 publications: 205 scientists 145–154 publications: 193 scientists 155–164 publications: 188 scientists 165–174 publications: 170 scientists 175–184 publications: 178 scientists 185–194 publications: 164 scientists 195–204 publications: 173 scientists 205–214 publications: 159 scientists 215–224 publications: 134 scientists 225–234 publications: 143 scientists 235–244 publications: 105 scientists 245–254 publications: 114 scientists 255–264 publications: 92 scientists 265–274 publications: 88 scientists 275–284 publications: 87 scientists 285–294 publications: 80 scientists 295–304 publications: 62 scientists 305–314 publications: 75 scientists 315–324 publications: 67 scientists 325–334 publications: 60 scientists 335–344 publications: 52 scientists 345–354 publications: 40 scientists 355–364 publications: 48 scientists 365–374 publications: 47 scientists 375–384 publications: 46 scientists 385–394 publications: 31 scientists 395–404 publications: 27 scientists 405–414 publications: 40 scientists 415–424 publications: 30 scientists 425–434 publications: 43 scientists 435–444 publications: 29 scientists 445–454 publications: 14 scientists 455–464 publications: 28 scientists 465–474 publications: 21 scientists 475–484 publications: 21 scientists 485–494 publications: 22 scientists 495–504 publications: 17 scientists 505–514 publications: 12 scientists 515–524 publications: 11 scientists 525–534 publications: 8 scientists 535–544 publications: 8 scientists 545–554 publications: 14 scientists 555–564 publications: 4 scientists 565–574 publications: 11 scientists 575–584 publications: 5 scientists 585–594 publications: 11 scientists 595–604 publications: 12 scientists 605–614 publications: 7 scientists 615–624 publications: 6 scientists 625–634 publications: 10 scientists 635–644 publications: 9 scientists 645–654 publications: 10 scientists 655–664 publications: 6 scientists 665–674 publications: 6 scientists 675–684 publications: 6 scientists 685–694 publications: 4 scientists 695–702 publications: 6 scientists 703+ publications: 100 scientists
45–54 publications 703+

This scientist: 133 publications — 22nd percentile

22% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 703 publications or more.

View publications distribution as a table
Number of Genetics scientists by publication count, Research.com 2026 ranking edition. Based on 4,342 ranked scientists.
Publications Scientists This scientist
45–54 6
55–64 10
65–74 35
75–84 84
85–94 102
95–104 151
105–114 175
115–124 203
125–134 217 133
135–144 205
145–154 193
155–164 188
165–174 170
175–184 178
185–194 164
195–204 173
205–214 159
215–224 134
225–234 143
235–244 105
245–254 114
255–264 92
265–274 88
275–284 87
285–294 80
295–304 62
305–314 75
315–324 67
325–334 60
335–344 52
345–354 40
355–364 48
365–374 47
375–384 46
385–394 31
395–404 27
405–414 40
415–424 30
425–434 43
435–444 29
445–454 14
455–464 28
465–474 21
475–484 21
485–494 22
495–504 17
505–514 12
515–524 11
525–534 8
535–544 8
545–554 14
555–564 4
565–574 11
575–584 5
585–594 11
595–604 12
605–614 7
615–624 6
625–634 10
635–644 9
645–654 10
655–664 6
665–674 6
675–684 6
685–694 4
695–702 6
703+ 100
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Richard S. Spielman publication distribution in Genetics in 2026 - data summary

  • The chart plots the publication count of all 4,342 Genetics scientists ranked by Research.com in 2026, grouped into 67 ranges running from 45–54 to 703+ publications.
  • Richard S. Spielman, a Genetics scholar from University of Pennsylvania, records 133 publications - the 22nd percentile of the discipline.
  • 22% of ranked Genetics scientists score the same or lower than Richard S. Spielman, and about 78% score higher.
  • The median of the discipline falls in the 195–204 publications range, and Richard S. Spielman ranks below the median.
  • The most crowded range is 125–134 publications, holding 217 scientists (5% of the field).
  • 56% of the field sits in the lowest quarter of the value range (up to 205–214 publications), so the distribution is heavily right-skewed and high scores are rare.
  • The final bar has no upper bound: it groups every scientist with 703 publications or more, 100 scientists in all (2% of the field).

Richard S. Spielman D-index placement in Genetics in 2026

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

No. of scientists
50 100 150
Bar chart with 61 bars. Horizontal axis: D-Index, 40–41 to 160+. Vertical axis: number of scientists, 0 to 191. Most scientists, 191, have 62–63 D-Index. The last bar groups every scientist with 160 D-Index or more. The highlighted bar, 58–59 D-Index, is where this scientist sits. 40–41 D-Index: 24 scientists 42–43 D-Index: 52 scientists 44–45 D-Index: 84 scientists 46–47 D-Index: 112 scientists 48–49 D-Index: 118 scientists 50–51 D-Index: 141 scientists 52–53 D-Index: 143 scientists 54–55 D-Index: 145 scientists 56–57 D-Index: 179 scientists 58–59 D-Index: 162 scientists 60–61 D-Index: 175 scientists 62–63 D-Index: 191 scientists 64–65 D-Index: 172 scientists 66–67 D-Index: 184 scientists 68–69 D-Index: 164 scientists 70–71 D-Index: 158 scientists 72–73 D-Index: 150 scientists 74–75 D-Index: 136 scientists 76–77 D-Index: 127 scientists 78–79 D-Index: 127 scientists 80–81 D-Index: 111 scientists 82–83 D-Index: 110 scientists 84–85 D-Index: 110 scientists 86–87 D-Index: 84 scientists 88–89 D-Index: 102 scientists 90–91 D-Index: 66 scientists 92–93 D-Index: 72 scientists 94–95 D-Index: 70 scientists 96–97 D-Index: 54 scientists 98–99 D-Index: 60 scientists 100–101 D-Index: 49 scientists 102–103 D-Index: 55 scientists 104–105 D-Index: 45 scientists 106–107 D-Index: 42 scientists 108–109 D-Index: 28 scientists 110–111 D-Index: 39 scientists 112–113 D-Index: 25 scientists 114–115 D-Index: 31 scientists 116–117 D-Index: 29 scientists 118–119 D-Index: 34 scientists 120–121 D-Index: 29 scientists 122–123 D-Index: 29 scientists 124–125 D-Index: 18 scientists 126–127 D-Index: 27 scientists 128–129 D-Index: 22 scientists 130–131 D-Index: 16 scientists 132–133 D-Index: 11 scientists 134–135 D-Index: 17 scientists 136–137 D-Index: 12 scientists 138–139 D-Index: 21 scientists 140–141 D-Index: 4 scientists 142–143 D-Index: 9 scientists 144–145 D-Index: 14 scientists 146–147 D-Index: 6 scientists 148–149 D-Index: 10 scientists 150–151 D-Index: 7 scientists 152–153 D-Index: 9 scientists 154–155 D-Index: 8 scientists 156–157 D-Index: 8 scientists 158–159 D-Index: 9 scientists 160+ D-Index: 96 scientists
40–41 D-Index 160+

This scientist: 59 D-Index — 27th percentile

27% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 160 D-Index or more.

View D-Index distribution as a table
Number of Genetics scientists by D-index, Research.com 2026 ranking edition. Based on 4,342 ranked scientists.
D-Index Scientists This scientist
40–41 24
42–43 52
44–45 84
46–47 112
48–49 118
50–51 141
52–53 143
54–55 145
56–57 179
58–59 162 59
60–61 175
62–63 191
64–65 172
66–67 184
68–69 164
70–71 158
72–73 150
74–75 136
76–77 127
78–79 127
80–81 111
82–83 110
84–85 110
86–87 84
88–89 102
90–91 66
92–93 72
94–95 70
96–97 54
98–99 60
100–101 49
102–103 55
104–105 45
106–107 42
108–109 28
110–111 39
112–113 25
114–115 31
116–117 29
118–119 34
120–121 29
122–123 29
124–125 18
126–127 27
128–129 22
130–131 16
132–133 11
134–135 17
136–137 12
138–139 21
140–141 4
142–143 9
144–145 14
146–147 6
148–149 10
150–151 7
152–153 9
154–155 8
156–157 8
158–159 9
160+ 96
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Richard S. Spielman D-index placement in Genetics in 2026 - data summary

  • The chart plots the discipline H-index (D-index) of all 4,342 Genetics scientists ranked by Research.com in 2026, grouped into 61 ranges running from 40–41 to 160+ D-Index.
  • Richard S. Spielman, a Genetics scholar from University of Pennsylvania, records 59 D-Index - the 27th percentile of the discipline.
  • 27% of ranked Genetics scientists score the same or lower than Richard S. Spielman, and about 73% score higher.
  • The median of the discipline falls in the 70–71 D-Index range, and Richard S. Spielman ranks below the median.
  • The most crowded range is 62–63 D-Index, holding 191 scientists (4% of the field).
  • 51% of the field sits in the lowest quarter of the value range (up to 70–71 D-Index), so the distribution is heavily right-skewed and high scores are rare.
  • The final bar has no upper bound: it groups every scientist with 160 D-Index or more, 96 scientists in all (2% of the field).

Overview

Richard S. Spielman is affiliated with the University of Pennsylvania in the United States. The available data does not provide specific recent publications, coauthors, or main fields of study linked to their academic profile.

There are no listed recent papers or book publications attributed to Spielman in the current dataset. Similarly, there is no information on frequent co-authors or publication venues that would further illustrate their research network or dissemination outlets.

No awards or honors have been documented for Richard S. Spielman in the data provided, and there are no records of specialization in particular scientific subfields or topics.

Based on the available information, any detailed account of this scientist's specific research contributions, thematic focus, or career milestones cannot be constructed. The profile reflects only verified institutional affiliation without additional scholarly or bibliographic details.

Best Publications

  • Transmission test for linkage disequilibrium: the insulin gene region and insulin-dependent diabetes mellitus (IDDM).

    R S Spielman;R E McGinnis;W J Ewens

  • Genetic analysis of genome-wide variation in human gene expression

    Michael Morley;Cliona M. Molony;Teresa M. Weber;Teresa M. Weber;James L. Devlin

  • The TDT and other family-based tests for linkage disequilibrium and association.

    R S Spielman;W J Ewens

  • A sibship test for linkage in the presence of association: the sib transmission/disequilibrium test.

    Richard S. Spielman;Warren J. Ewens

  • A genome–wide search for human non–insulin–dependent (type 2) diabetes genes reveals a major susceptibility locus on chromosome 2

    Craig L Hanis;Eric Boerwinkle;R. Chakraborty;D. L. Ellsworth

  • Natural variation in human gene expression assessed in lymphoblastoid cells

    Vivian G. Cheung;Laura K. Conlin;Teresa M. Weber;Melissa Arcaro

  • The transmission/disequilibrium test: history, subdivision, and admixture.

    W J Ewens;R S Spielman

  • Mapping determinants of human gene expression by regional and genome-wide association

    Vivian G. Cheung;Richard S. Spielman;Kathryn G. Ewens;Teresa M. Weber;Teresa M. Weber

  • THIRTY-SEVEN CANDIDATE GENES FOR POLYCYSTIC OVARY SYNDROME : STRONGEST EVIDENCE FOR LINKAGE IS WITH FOLLISTATIN

    Margrit Urbanek;Richard S. Legro;Deborah A. Driscoll;Ricardo Azziz

  • Common genetic variants account for differences in gene expression among ethnic groups

    Richard S Spielman;Laurel A Bastone;Joshua T Burdick;Michael Morley

  • A second-generation screen of the human genome for susceptibility to insulin-dependent diabetes mellitus

    P. Concannon;K. J. Gogolin-Ewens;D. A. Hinds;B. Wapelhorst

  • Structure, Sequence and Polymorphism in the HLA-D Region

    John Trowsdale;John A. T. Young;Adrian R. Kelly;Penelope J. Austin

  • Seven regions of the genome show evidence of linkage to type 1 diabetes in a consensus analysis of 767 multiplex families.

    Nancy J. Cox;Beth Wapelhorst;V. Anne Morrison;Lindsey Johnson

  • The genetics of variation in gene expression

    Vivian G. Cheung;Vivian G. Cheung;Richard S. Spielman

  • Genetics of human gene expression: mapping DNA variants that influence gene expression

    Vivian G. Cheung;Richard S. Spielman;Richard S. Spielman

  • Genetic analysis of radiation-induced changes in human gene expression

    Denis A. Smirnov;Michael Morley;Eunice Shin;Richard S. Spielman

  • Six HLA-D region alpha-chain genes on human chromosome 6: polymorphisms and associations of DC alpha-related sequences with DR types.

    Richard S. Spielman;Janet Lee;Walter F. Bodmer;Julia G. Bodmer

  • Candidate gene region for polycystic ovary syndrome on chromosome 19p13.2.

    M. Urbanek;A. Woodroffe;A. Woodroffe;K. G. Ewens;E. Diamanti-Kandarakis

  • A mixed epigenetic/genetic model for oligogenic inheritance of autism with a limited role for UBE3A.

    Yong Hui Jiang;Trilochan Sahoo;Ron C. Michaelis;Dani Bercovich

  • Polymorphic cis- and trans-regulation of human gene expression.

    Vivian G. Cheung;Renuka R. Nayak;Isabel Xiaorong Wang;Susannah Elwyn

Frequent Co-Authors

Vivian G. Cheung
Vivian G. Cheung University of Michigan–Ann Arbor
Richard S. Legro
Richard S. Legro Pennsylvania State University
Nancy J. Cox
Nancy J. Cox Vanderbilt University Medical Center
Patrick Concannon
Patrick Concannon University of Florida
Andrea Dunaif
Andrea Dunaif Icahn School of Medicine at Mount Sinai
Jerome F. Strauss
Jerome F. Strauss University of Pennsylvania
Michael Morley
Michael Morley University of Pennsylvania
Graeme I. Bell
Graeme I. Bell University of Chicago
James V. Neel
James V. Neel University of Michigan–Ann Arbor
Craig L. Hanis
Craig L. Hanis The University of Texas Health Science Center at Houston

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