Dear All, 
I regret to inform you that Sergey Kullanda, expert of Iran, Scythians, Indonesia, passed away in Moscow yesterday. He had been a visiting scholar at the IIAS/Leiden University, ca. 2009, and is author, inter alia, of 
Indo-European 'Kinship Terms' Revisited. – Current Anthropology, Vol. 43, no. 1, February 2002, pp. 89–111.
https://ru.wikipedia.org/wiki/Кулланда,_Сергей_Всеволодович 
Sergey Kullanda's death was apparently covid-related, although he was not well for the last few years. We are missing a great scholar and fine human being. 

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Jan E.M. Houben

Directeur d'Études, Professor of South Asian History and Philology

Sources et histoire de la tradition sanskrite

École Pratique des Hautes Études (EPHE, Paris Sciences et Lettres)

Sciences historiques et philologiques 

johannes.houben [at] ephe.psl.eu

https://ephe-sorbonne.academia.edu/JanEMHouben