Former researchers
| Calin Grigore Ambrozie | Member IM from 2004 to 2015 | Department: AA | ||
| Bohuslav Balcar | Member IM from 1970 to 2017 | Department: AA | ||
| Marek Cúth | Member IM from 2021 to 2021 | Department: AA | ||
| Mirna Džamonja | Member IM from 2020 to 2021 | Department: AA | ||
| Theodore Erler | Member IM from 2018 to 2020 | Department: AGMP | ||
| Miroslav Fiedler | Member IM from 1953 to 2015 | Department: MLTCS | ||
| Jan Hladký | Member IM from 2014 to 2021 | Department: MLTCS | ||
| Ivan Hlaváček | Member IM from 1963 to 2011 | Department: CMMA | ||
| Petr Honzík | Member IM from 2007 to 2012 | Department: AA | ||
| Jiří Jarušek | Member IM from 1997 to 2022 | Department: EDE | ||
| Łukasz Jeż | Member IM from 2011 to 2013 | Department: MLTCS | ||
| Kamil John | Member IM from 1964 to 2012 | Department: AA | ||
| Branislav Jurčo | Member IM from 2018 to 2020 | Department: AGMP | ||
| Tomas Juškevičius | Member IM from 2020 to 2021 | Department: MLTCS | ||
| Jerzy Kąkol | Member IM from 2015 to 2022 | Department: AA | ||
| Michal Koucký | Member IM from 2004 to 2018 | Department: MLTCS | ||
| Jan Krajíček | Member IM from 1989 to 2012 | Department: MLTCS | ||
| Miroslav Krbec | Member IM from 1976 to 2012 | Department: EDE | ||
| Petr Kučera | Member IM from 2017 to 2020 | Department: EDE | ||
| Jaroslav Kurzweil | Member IM from 1953 to 2021 | Department: EDE | ||
| Bohdan Maslowski | Member IM from 1981 to 2009 | Department: EDE | ||
| Sulkhan Mukhigulashvili | Member IM from 2003 to 2021 | Department: BB | ||
| Yuliya Namlyeyeva | Member IM from 2014 to 2018 | Department: EDE | ||
| František Neuman | Member IM from 1970 to 2018 | Department: BB | ||
| Bohumír Opic | Member IM from 1986 to 2010 | Department: EDE | ||
| Christos Pelekis | Member IM from 2018 to 2019 | Department: MLTCS | ||
| Hana Petzeltová | Member IM from 1974 to 2017 | Department: EDE | ||
| Milan Práger | Member IM from 1954 to 1970 | Department: Before 1970 | ||
| Petr Přikryl | Member IM from 1966 to 2012 | Department: CMMA | ||
| Bedřich Půža | Member IM from 2002 to 2017 | Department: BB | ||
| Pavel Řehák | Member IM from 2001 to 2017 | Department: BB | ||
| András Rontó | Member IM from 2004 to 2021 | Department: BB | ||
| Ivan Saxl | Member IM from 1990 to 2009 | Department: EDE | ||
| Martin Schnabl | Member IM from 2018 to 2020 | Department: AGMP | ||
| Urs Schreiber | Member IM from 2015 to 2022 | Department: AGMP | ||
| Štefan Schwabik | Member IM from 1964 to 2009 | Department: EDE | ||
| Karel Segeth | Member IM from 1964 to 2021 | Department: CMMA | ||
| Jiří Sgall | Member IM from 1994 to 2016 | Department: MLTCS | ||
| Zdeněk Skalák | Member IM from 2017 to 2019 | Department: EDE | ||
| Jiří Šremr | Member IM from 2001 to 2016 | Department: BB | ||
| Jan Stebel | Member IM from 2013 to 2014 | Department: EDE | ||
| Ivan Straškraba | Member IM from 1971 to 2017 | Department: EDE | ||
| Karel Švadlenka | Member IM from 2011 to 2022 | Department: CMMA | ||
| Marie Tichá | Member IM from 1979 to 2018 | |||
| Jiří Vanžura | Member IM from 1986 to 2019 | Department: BB | ||
| Martin Väth | Member IM from 2009 to 2018 | Department: EDE | ||
| Emil Vitásek | Member IM from 1954 to 2015 | Department: CMMA | ||
| Petr Vodstrčil | Member IM from 2004 to 2010 | Department: BB | ||
| Jindřich Zapletal | Member IM from 2009 to 2022 | Department: AA | ||
| Václav Zizler | Member IM from 2004 to 2012 | Department: AA | ||
