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Robert Simha

D-Index & Metrics

Discipline name D-Index World Ranking National Ranking Publications Citations
Chemistry 59 10067 2801 238 13703

Robert Simha publications per year

The chart shows the history of publications by Robert Simha between 1950 and 2019, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Robert Simha published across 70 years, from 1950 to 2019, averaging 3.1 papers a year. Output peaked at 11 publications in 1979. 1 of the 220 publications appeared in the last two years.

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

220 publications in total across all disciplines

View publications per year as a table
Robert Simha: publications per year, 1950 to 2019
Year Publications
1950 5
1951 2
1952 5
1953 4
1954 2
1955 1
1956 4
1957 2
1958 3
1959 0
1960 2
1961 2
1962 6
1963 4
1964 5
1965 3
1966 5
1967 4
1968 7
1969 3
1970 2
1971 7
1972 3
1973 6
1974 5
1975 4
1976 4
1977 5
1978 1
1979 11
1980 6
1981 7
1982 6
1983 2
1984 5
1985 2
1986 5
1987 2
1988 4
1989 6
1990 5
1991 2
1992 5
1993 5
1994 4
1995 3
1996 4
1997 2
1998 1
1999 5
2000 0
2001 3
2002 0
2003 1
2004 3
2005 2
2006 1
2007 5
2008 1
2009 0
2010 4
2011 0
2012 0
2013 0
2014 1
2015 0
2016 0
2017 0
2018 0
2019 1
Total 220
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Robert Simha 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 Robert Simha 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, 221–240 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: 238 publications — 46th percentile

46% 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 1,216 238
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
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
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Robert Simha 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 Robert Simha 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, 58–59 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: 59 D-Index — 44th percentile

44% 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 59
60–61 882
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
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Research.com Recognitions

  • 1956 - Fellow of the American Association for the Advancement of Science (AAAS)

Overview

Robert Simha was affiliated with Case Western Reserve University in the United States during their academic career.

The scientist was recognized as a Fellow of the American Association for the Advancement of Science (AAAS) in 1956.

There is no publicly available information regarding Robert Simha's recent papers, frequent co-authors, publication venues, book publications, or detailed fields and subfields of study.

Due to the limited data on their specific research topics and publications, no detailed summary of their scientific contributions can be provided beyond the known affiliation and award.

Best Publications

  • On the Statistical Thermodynamics of Spherical and Chain Molecule Fluids

    Robert Simha;Thomas Somcynsky

  • On a General Relation Involving the Glass Temperature and Coefficients of Expansion of Polymers

    Unknown

  • The characterization of amino acid sequences in proteins by statistical methods

    Unknown

  • Pressure-Volume-Temperature Studies of Amorphous and Crystallizable Polymers. I. Experimental

    Olagoke Olabisi;Robert Simha

  • Pressure‐Volume‐Temperature Properties and Transitions of Amorphous Polymers; Polystyrene and Poly (orthomethylstyrene)

    A. Quach;Robert Simha

  • A Treatment of the Viscosity of Concentrated Suspensions

    Robert Simha

  • Free volume and physical aging of poly(vinyl acetate) studied by positron annihilation

    Y. Kobayashi;W. Zheng;E. F. Meyer;J. D. McGervey

  • The Adsorption of Flexible Macromolecules. II

    Robert Simha;H. L. Frisch;F. R. Eirich

  • Theory of Depolymerization of Long Chain Molecules

    Unknown

  • Deformation-Induced Color Changes in Mechanochromic Polyethylene Blends

    Brent R. Crenshaw;Mark Burnworth;Devang Khariwala;Anne Hiltner

  • Kinetics of Chain Depolymerization

    Robert Simha;L. A. Wall

  • Free volume and the kinetics of aging of polymer glasses

    Richard E. Robertson;Robert Simha;John G. Curro

  • Viscosity and the Shape of Protein Molecules

    Unknown

  • Diffusion model for volume recovery in glasses

    John G. Curro;R. R. Lagasse;Robert Simha

  • Configurational Thermodynamics of the Liquid and Glassy Polymeric States

    Robert Simha

  • Kinetics of Degradation and Size Distribution of Long Chain Polymers

    Robert Simha

  • The depolymerization of polymethylene and polyethylene

    L. A. Wall;S. L. Madorsky;D. W. Brown;S. Straus

  • Positron annihilation lifetime studies of changes in free volume on cross-linking cis-polyisoprene, high-vinyl polybutadiene, and their miscible blends

    R. Srithawatpong;Z. L. Peng;B. G. Olson;A. M. Jamieson

  • Thermal Expansion of Amorphous Polymers at Atmospheric Pressure. II. Theoretical Considerations

    Robert Simha;Phillip S. Wilson

  • Molecular weight-dependence of free volume in polystyrene studied by positron annihilation measurements

    Z. Yu;U. Yahsi;J. D. McGervey;A. M. Jamieson

  • Pressure-volume-temperature properties of amorphous polymers: empirical and theoretical predictions

    Robert Simha;P. S. Wilson;Olagoke Olabisi

  • Analytical Representation of Solutions to Lattice-Hole Theory

    Leszek A. Utracki;Robert Simha

  • Measurement of gas solubility in linear/branched PP melts

    G. Li;J. Wang;C. B. Park;R. Simha

  • Configurational Thermodynamic Properties of Polymer Liquids and Glasses. Poly(vinyl acetate). II

    John E. McKinney;Robert Simha

Frequent Co-Authors

John G. Curro
John G. Curro New Mexico Institute of Mining and Technology
Leszek A. Utracki
Leszek A. Utracki National Academies of Sciences, Engineering, and Medicine
Chul B. Park
Chul B. Park University of Toronto
Christoph Weder
Christoph Weder University of Fribourg
Lewis J. Fetters
Lewis J. Fetters Cornell University
Hatsuo Ishida
Hatsuo Ishida Case Western Reserve University
Patrick T. Mather
Patrick T. Mather Pennsylvania State University

External Links

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Best Scientists Citing Robert Simha

Chul B. Park

Chul B. Park

University of Toronto

Publications: 59

Leszek A. Utracki

Leszek A. Utracki

National Academies of Sciences, Engineering, and Medicine

Publications: 39

Juan Colmenero

Juan Colmenero

University of the Basque Country

Publications: 34

Christoph Weder

Christoph Weder

University of Fribourg

Publications: 25

Angel Alegría

Angel Alegría

University of the Basque Country

Publications: 22

Donald R Paul

Donald R Paul

The University of Texas at Austin

Publications: 22

Gregory B. McKenna

Gregory B. McKenna

Texas Tech University

Publications: 21

Marian Paluch

Marian Paluch

University of Silesia

Publications: 17

Riccardo Casalini

Riccardo Casalini

United States Naval Research Laboratory

Publications: 16

Eric Baer

Eric Baer

Case Western Reserve University

Publications: 15

Anita J. Hill

Anita J. Hill

Commonwealth Scientific and Industrial Research Organisation

Publications: 13

Giuseppe Mensitieri

Giuseppe Mensitieri

University of Naples Federico II

Publications: 13

C. M. Roland

C. M. Roland

United States Naval Research Laboratory

Publications: 13

Andrea Pucci

Andrea Pucci

University of Pisa

Publications: 12

Antonio Perejón

Antonio Perejón

University of Seville

Publications: 12

Pedro E. Sánchez-Jiménez

Pedro E. Sánchez-Jiménez

Spanish National Research Council

Publications: 11

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