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In Memoriam

Researchers in this directory who are no longer with us

The Top 100 and the regional pages list living researchers only, so the directory stays accurate for anyone using it to make contact. This page remembers the 14 researchers from the ranked pool who have passed away, plus a separate listing of foundational figures whose careers predate the digital publication record our pipeline reads from.

Foundational figures

The pipeline behind this site ranks researchers whose work appears on arXiv or in OpenAlex, which mostly means careers active from the mid-1990s onward. The names below predate that coverage. Their work is the bedrock on which modern research is built. They are listed by last name; each contribution is noted at the bottom of the page.

NameInstitutionCountryYears
John W. WrenchDavid Taylor Model BasinUS1911-2009

Foundational figures: contributions

From the ranked pool

NameInstitutionCountryYears
B. M. BredikhinSaratov State UniversityRUd. 1994
Jingrun ChenInstitute of Mathematics, Chinese Academy of SciencesCNd. 1996
Paul ErdősHungarian Academy of SciencesHUd. 1996
Heini HalberstamUniversity of Illinois Urbana-ChampaignUSd. 2014
C. HooleyCardiff UniversityGBd. 2018
Aleksandar IvićUniversity of BelgradeRSd. 2020
Edmund LandauUniversity of GöttingenDEd. 1938
A. F. LavrikSteklov Mathematical InstituteRUd. 2010
Ming-Chit LiuUniversity of Hong KongHKd. 2023
Laurenţiu PanaitopolUniversity of BucharestROd. 2008
Kanakanahalli RamachandraTata Institute of Fundamental ResearchINd. 2011
Hans-Egon RichertUniversity of UlmDEd. 1993
G. J. RiegerLeibniz University HannoverDEd. 2021
Yuan WangChinese Academy of SciencesCNd. 2021