| Discipline name | D-Index | World Ranking | Current World Ranking | National Ranking | Current National Ranking | Publications | Citations |
|---|---|---|---|---|---|---|---|
| Biology and Biochemistry | 66 | 8713 | 8039 | 302 | 279 | 428 | 14707 |
The chart shows the history of publications by Roger Le Grand between 1950 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Roger Le Grand published across 76 years, from 1950 to 2025, averaging 6.1 papers a year. Output peaked at 44 publications in 2021. 38 of the 465 publications appeared in the last two years.
465 publications in total across all disciplines
| Year | Publications |
|---|---|
| 1950 | 5 |
| 1951 | 1 |
| 1952 | 3 |
| 1953 | 1 |
| 1954 | 0 |
| 1955 | 1 |
| 1956 | 1 |
| 1957 | 3 |
| 1958 | 0 |
| 1959 | 2 |
| 1960 | 2 |
| 1961 | 0 |
| 1962 | 0 |
| 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 | 1 |
| 1980 | 0 |
| 1981 | 0 |
| 1982 | 0 |
| 1983 | 0 |
| 1984 | 0 |
| 1985 | 0 |
| 1986 | 0 |
| 1987 | 0 |
| 1988 | 0 |
| 1989 | 0 |
| 1990 | 0 |
| 1991 | 1 |
| 1992 | 2 |
| 1993 | 1 |
| 1994 | 5 |
| 1995 | 6 |
| 1996 | 7 |
| 1997 | 5 |
| 1998 | 8 |
| 1999 | 3 |
| 2000 | 9 |
| 2001 | 3 |
| 2002 | 4 |
| 2003 | 6 |
| 2004 | 4 |
| 2005 | 10 |
| 2006 | 6 |
| 2007 | 8 |
| 2008 | 15 |
| 2009 | 17 |
| 2010 | 9 |
| 2011 | 8 |
| 2012 | 17 |
| 2013 | 8 |
| 2014 | 18 |
| 2015 | 13 |
| 2016 | 10 |
| 2017 | 19 |
| 2018 | 23 |
| 2019 | 25 |
| 2020 | 33 |
| 2021 | 44 |
| 2022 | 33 |
| 2023 | 27 |
| 2024 | 25 |
| 2025 | 13 |
| Total | 465 |
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 Roger Le Grand sits on this spectrum.
This scientist: 428 publications — 91st percentile
91% 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 | |
| 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 | 428 |
| 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 Roger Le Grand sits on this spectrum.
This scientist: 66 D-Index — 57th percentile
57% 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 | |
| 66–67 | 897 | 66 |
| 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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