| Discipline name | D-Index | World Ranking | Current World Ranking | National Ranking | Current National Ranking | Publications | Citations |
|---|---|---|---|---|---|---|---|
| Biology and Biochemistry | 64 | 9848 | 9091 | 4318 | 3879 | 175 | 12069 |
The chart shows the history of publications by Robert E. Chapin between 1962 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Robert E. Chapin published across 64 years, from 1962 to 2025, averaging 3.7 papers a year. Output peaked at 30 publications in 1997. 1 of the 238 publications appeared in the last two years.
238 publications in total across all disciplines
| Year | Publications |
|---|---|
| 1962 | 1 |
| 1963 | 0 |
| 1964 | 0 |
| 1965 | 0 |
| 1966 | 0 |
| 1967 | 0 |
| 1968 | 0 |
| 1969 | 0 |
| 1970 | 0 |
| 1971 | 0 |
| 1972 | 0 |
| 1973 | 0 |
| 1974 | 0 |
| 1975 | 0 |
| 1976 | 0 |
| 1977 | 0 |
| 1978 | 0 |
| 1979 | 0 |
| 1980 | 2 |
| 1981 | 2 |
| 1982 | 2 |
| 1983 | 1 |
| 1984 | 7 |
| 1985 | 4 |
| 1986 | 2 |
| 1987 | 5 |
| 1988 | 6 |
| 1989 | 7 |
| 1990 | 6 |
| 1991 | 7 |
| 1992 | 4 |
| 1993 | 15 |
| 1994 | 9 |
| 1995 | 8 |
| 1996 | 6 |
| 1997 | 30 |
| 1998 | 4 |
| 1999 | 9 |
| 2000 | 5 |
| 2001 | 2 |
| 2002 | 14 |
| 2003 | 5 |
| 2004 | 6 |
| 2005 | 6 |
| 2006 | 1 |
| 2007 | 6 |
| 2008 | 4 |
| 2009 | 3 |
| 2010 | 4 |
| 2011 | 4 |
| 2012 | 5 |
| 2013 | 13 |
| 2014 | 7 |
| 2015 | 4 |
| 2016 | 5 |
| 2017 | 2 |
| 2018 | 3 |
| 2019 | 1 |
| 2020 | 0 |
| 2021 | 0 |
| 2022 | 0 |
| 2023 | 0 |
| 2024 | 0 |
| 2025 | 1 |
| Total | 238 |
The chart shows the distribution of publications by all Research.com ranked scientists in the field of Biology and Biochemistry in 2026. The highlighted bar marks where Robert E. Chapin sits on this spectrum.
This scientist: 175 publications — 39th percentile
39% of scientists in this discipline score the same or lower.
The last bar groups every scientist with 1,028 publications or more.
| Publications | Scientists | This scientist |
|---|---|---|
| 47–56 | 8 | |
| 57–66 | 35 | |
| 67–76 | 106 | |
| 77–86 | 231 | |
| 87–96 | 413 | |
| 97–106 | 546 | |
| 107–116 | 704 | |
| 117–126 | 848 | |
| 127–136 | 980 | |
| 137–146 | 942 | |
| 147–156 | 969 | |
| 157–166 | 949 | |
| 167–176 | 951 | 175 |
| 177–186 | 915 | |
| 187–196 | 787 | |
| 197–206 | 840 | |
| 207–216 | 733 | |
| 217–226 | 708 | |
| 227–236 | 651 | |
| 237–246 | 605 | |
| 247–256 | 510 | |
| 257–266 | 524 | |
| 267–276 | 434 | |
| 277–286 | 417 | |
| 287–296 | 350 | |
| 297–306 | 363 | |
| 307–316 | 315 | |
| 317–326 | 296 | |
| 327–336 | 261 | |
| 337–346 | 240 | |
| 347–356 | 219 | |
| 357–366 | 196 | |
| 367–376 | 154 | |
| 377–386 | 161 | |
| 387–396 | 155 | |
| 397–406 | 145 | |
| 407–416 | 124 | |
| 417–426 | 112 | |
| 427–436 | 132 | |
| 437–446 | 116 | |
| 447–456 | 99 | |
| 457–466 | 81 | |
| 467–476 | 91 | |
| 477–486 | 80 | |
| 487–496 | 80 | |
| 497–506 | 59 | |
| 507–516 | 36 | |
| 517–526 | 46 | |
| 527–536 | 54 | |
| 537–546 | 44 | |
| 547–556 | 43 | |
| 557–566 | 43 | |
| 567–576 | 42 | |
| 577–586 | 25 | |
| 587–596 | 34 | |
| 597–606 | 23 | |
| 607–616 | 33 | |
| 617–626 | 31 | |
| 627–636 | 27 | |
| 637–646 | 25 | |
| 647–656 | 28 | |
| 657–666 | 34 | |
| 667–676 | 18 | |
| 677–686 | 16 | |
| 687–696 | 10 | |
| 697–706 | 12 | |
| 707–716 | 21 | |
| 717–726 | 12 | |
| 727–736 | 12 | |
| 737–746 | 10 | |
| 747–756 | 7 | |
| 757–766 | 13 | |
| 767–776 | 15 | |
| 777–786 | 13 | |
| 787–796 | 9 | |
| 797–806 | 9 | |
| 807–816 | 7 | |
| 817–826 | 4 | |
| 827–836 | 9 | |
| 837–846 | 7 | |
| 847–856 | 3 | |
| 857–866 | 5 | |
| 867–876 | 5 | |
| 877–886 | 11 | |
| 887–896 | 3 | |
| 897–906 | 4 | |
| 907–916 | 7 | |
| 917–926 | 5 | |
| 927–936 | 6 | |
| 937–946 | 6 | |
| 947–956 | 3 | |
| 957–966 | 7 | |
| 967–976 | 2 | |
| 977–986 | 2 | |
| 987–996 | 1 | |
| 997–1,006 | 5 | |
| 1,007–1,016 | 2 | |
| 1,017–1,026 | 2 | |
| 1,027 | 1 | |
| 1,028+ | 100 |
The chart shows the D-index (discipline H-index) distribution of Biology and Biochemistry scientists ranked by Research.com in 2026. The highlighted bar marks where Robert E. Chapin sits on this spectrum.
This scientist: 64 D-Index — 52nd percentile
52% of scientists in this discipline score the same or lower.
The last bar groups every scientist with 167 D-Index or more.
| D-Index | Scientists | This scientist |
|---|---|---|
| 40–41 | 80 | |
| 42–43 | 183 | |
| 44–45 | 316 | |
| 46–47 | 504 | |
| 48–49 | 718 | |
| 50–51 | 899 | |
| 52–53 | 1,025 | |
| 54–55 | 1,149 | |
| 56–57 | 1,235 | |
| 58–59 | 1,253 | |
| 60–61 | 1,162 | |
| 62–63 | 1,130 | |
| 64–65 | 1,031 | 64 |
| 66–67 | 897 | |
| 68–69 | 814 | |
| 70–71 | 714 | |
| 72–73 | 709 | |
| 74–75 | 596 | |
| 76–77 | 512 | |
| 78–79 | 473 | |
| 80–81 | 412 | |
| 82–83 | 373 | |
| 84–85 | 358 | |
| 86–87 | 285 | |
| 88–89 | 273 | |
| 90–91 | 227 | |
| 92–93 | 208 | |
| 94–95 | 193 | |
| 96–97 | 153 | |
| 98–99 | 157 | |
| 100–101 | 148 | |
| 102–103 | 120 | |
| 104–105 | 113 | |
| 106–107 | 100 | |
| 108–109 | 86 | |
| 110–111 | 67 | |
| 112–113 | 71 | |
| 114–115 | 73 | |
| 116–117 | 64 | |
| 118–119 | 53 | |
| 120–121 | 60 | |
| 122–123 | 54 | |
| 124–125 | 43 | |
| 126–127 | 38 | |
| 128–129 | 49 | |
| 130–131 | 26 | |
| 132–133 | 18 | |
| 134–135 | 23 | |
| 136–137 | 32 | |
| 138–139 | 32 | |
| 140–141 | 27 | |
| 142–143 | 19 | |
| 144–145 | 22 | |
| 146–147 | 12 | |
| 148–149 | 16 | |
| 150–151 | 14 | |
| 152–153 | 10 | |
| 154–155 | 13 | |
| 156–157 | 10 | |
| 158–159 | 7 | |
| 160–161 | 9 | |
| 162–163 | 13 | |
| 164–165 | 4 | |
| 166 | 4 | |
| 167+ | 98 |
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