Ab de Jong

Professor of the Study of Religion in the University of Leiden. Works on Zoroastrianism, Manichaeism, the Mandaeans and Mithras. Academic director of the LIAS.

[TISS - Tata Institute of Social Sciences @TISSpeak]

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Dive into Parsi Literature in English with TISS–PARZOR.
Online | Starts 17 Feb 2026

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[Ab de Jong @ab_jong]

Mihaela outlines the impact of Aristotelian logic on Zoroastrian apologetic and polemical works of the Abbasid period. We had a lot to discuss!

[Ab de Jong @ab_jong]

Yesterday, Mihaela Timuş successfully obtained the “habilitation” for the HDR at the EPHE in Paris. The main subject for discussion was her new book on “patterns of reasoning in Dēnkard 3.

[Ab de Jong @ab_jong]

Yesterday, Alberto Bernard successfully defended his dissertation on “Le clergé zoroastrien aux époques sassanide et post-sassanide: sources, histoire, mémoire” at the EPHE/PSL in Paris - an excellent and very inspiring dissertation.

[Ab de Jong @ab_jong]

May Shaddel, doctor at last! @MayShaddel @LeidenReligion @LeidenHum

[Ab de Jong @ab_jong]

Those who are unable to attend can follow the defence via the livestream:

https://t.co/Zy64VeZBzx

[Ab de Jong @ab_jong]

Tomorrow at 2.30 pm local time, @MayShaddel will defend his dissertation “Apocalypse, Empire, and Universal Mission at the End of Antiquity: World Religions at the Crossroads” in Leiden.

[Ab de Jong @ab_jong]

@scramsey6 @LeidenHum @profclwilliams Great news, Sarah - congratulations! Five years of toys and playgrounds, diapers and wet nurses in a context of disintegrating empires, war, genocide, new nation states, despotism, occupation, freedom, hope. It takes a special scholar to do this kind of work.

[Ab de Jong @ab_jong]

Super pleased that Nolke Tasma received a grant to do a PhD on Aramaic Epigraphy in the Roman East and the Parthian Commonwealth with Margaretha Folmer and me.

https://t.co/ogWFrMoj0m

[Ab de Jong @ab_jong]

Dr Olivia Ramble! All went well - very proud of a brilliant young scholar

[Ab de Jong @ab_jong]

There is a livestream of the defence, which you can access here: https://t.co/C0mqQJm2kq

[Ab de Jong @ab_jong]

Tomorrow at 3 pm local time, Olivia Ramble will defend her dissertation “Historiography and Palaeography of Sasanian Middle Persian Inscriptions” in Leiden.

[Ab de Jong @ab_jong]

It was emotional, groundbreaking and deeply human. It was an unforgettable moment to see a young colleague shine.

[Ab de Jong @ab_jong]

Today, Sarah Cramsey @scramsey6 gave her inaugural lecture as professor by special appointment of Central European History @LeidenHum. She lectured about care for small children in the Warsaw Ghetto, in Auschwitz-Birkenau and among Polish Jews who survived WW II in Central Asia.

[Ab de Jong @ab_jong]

Many congratulations to Reza Huseini @HuseiniSaid, who successfully defended his PhD on the Arab conquest of Bactria today! One more result from the @EmCoteam project @LeidenHum. Reza, we are all extremely proud of you!

[Ab de Jong @ab_jong]

@JeffreyKotyk Very exciting, Jeffrey! Look forward to reading it

[Ab de Jong @ab_jong]

https://t.co/42i8HcrVEb

[Ab de Jong @ab_jong]

@JeffreyKotyk That looks great, Jeffrey. I am really looking forward to forward to reading it.

[eCodicesNL @eCodicesNL]

Een paar minuten op radio 1! Leuk die aandacht voor het vak: Meekijken over de schouder van de middeleeuwse lezer? https://t.co/lZXhLHZb87 via @nporadio1

[Leiden University - Faculty of Humanities @LeidenHum]

What did medieval scholars think of the books they read? In her inaugural lecture, Professor Mariken Teeuwen of #FacultyofHumanities will talk about the texts they wrote in the margin. ‘You come across serious things, misery, but jokes too and even music.’ https://t.co/6Yv7nTzkPJ