Tim Riswick
@timriswick.bsky.social
Assistant Professor of Historical Demography, Radboud University. Editor The History of the Family. Chair COST-Action GREATLEAP @thegreatleap22116.bsky.social
We are looking for a new Chair in Economic, Social and Demographic History!
If this sounds like the right fit for you, or for someone in your network, do not hesitate to apply or share this call!
www.ru.nl/en/working-a...
If this sounds like the right fit for you, or for someone in your network, do not hesitate to apply or share this call!
www.ru.nl/en/working-a...
Full Professor: Social and Economic History | Radboud University
Do you want to work as a Full Professor: Social and Economic History at the Faculty of Arts? Check our vacancy!
www.ru.nl
September 12, 2025 at 9:51 AM
We are looking for a new Chair in Economic, Social and Demographic History!
If this sounds like the right fit for you, or for someone in your network, do not hesitate to apply or share this call!
www.ru.nl/en/working-a...
If this sounds like the right fit for you, or for someone in your network, do not hesitate to apply or share this call!
www.ru.nl/en/working-a...
Reposted by Tim Riswick
✨ Today we had the pleasure of opening the @thegreatleap22116.bsky.social pre-conference workshop “𝐄𝐱𝐩𝐥𝐨𝐫𝐢𝐧𝐠 𝐒𝐨𝐮𝐫𝐜𝐞𝐬 𝐚𝐧𝐝 𝐃𝐚𝐭𝐚𝐛𝐚𝐬𝐞𝐬 𝐨𝐧 𝐂𝐚𝐮𝐬𝐞𝐬 𝐨𝐟 𝐃𝐞𝐚𝐭𝐡 𝐢𝐧 𝐇𝐢𝐬𝐭𝐨𝐫𝐢𝐜𝐚𝐥 𝐒𝐨𝐜𝐢𝐞𝐭𝐢𝐞𝐬 (𝟏𝟖𝟎𝟎–𝟏𝟗𝟓𝟎)”
September 9, 2025 at 6:29 PM
✨ Today we had the pleasure of opening the @thegreatleap22116.bsky.social pre-conference workshop “𝐄𝐱𝐩𝐥𝐨𝐫𝐢𝐧𝐠 𝐒𝐨𝐮𝐫𝐜𝐞𝐬 𝐚𝐧𝐝 𝐃𝐚𝐭𝐚𝐛𝐚𝐬𝐞𝐬 𝐨𝐧 𝐂𝐚𝐮𝐬𝐞𝐬 𝐨𝐟 𝐃𝐞𝐚𝐭𝐡 𝐢𝐧 𝐇𝐢𝐬𝐭𝐨𝐫𝐢𝐜𝐚𝐥 𝐒𝐨𝐜𝐢𝐞𝐭𝐢𝐞𝐬 (𝟏𝟖𝟎𝟎–𝟏𝟗𝟓𝟎)”
Reposted by Tim Riswick
📢 Call for Papers! Workshops “Transcribing the Past: Citizen Scientists & Automation in Historical Demography”
🖥️ 29 Jan 2026 (online)
🏛️ 26 Mar 2026 (Ghent)
Submit abstracts (≤300 words) by 15 Nov 2025
For more information 👉 greatleap.eu/calls/call-f...
🖥️ 29 Jan 2026 (online)
🏛️ 26 Mar 2026 (Ghent)
Submit abstracts (≤300 words) by 15 Nov 2025
For more information 👉 greatleap.eu/calls/call-f...
Call for Papers Workshops ‘Transcribing the Past: Citizen Scientists and Automation in Historical Demography’
greatleap.eu
September 3, 2025 at 5:07 PM
📢 Call for Papers! Workshops “Transcribing the Past: Citizen Scientists & Automation in Historical Demography”
🖥️ 29 Jan 2026 (online)
🏛️ 26 Mar 2026 (Ghent)
Submit abstracts (≤300 words) by 15 Nov 2025
For more information 👉 greatleap.eu/calls/call-f...
🖥️ 29 Jan 2026 (online)
🏛️ 26 Mar 2026 (Ghent)
Submit abstracts (≤300 words) by 15 Nov 2025
For more information 👉 greatleap.eu/calls/call-f...
Reposted by Tim Riswick
📢 Call for Papers!
Workshop Socio-Economic Inequalities in Mortality Over Time
🗓 27 Feb 2026 | Akoesticum, Ede
📝Keynote: Prof. Sean Clouston
⏳Deadline for abstracts (≤500 words): 1 Oct 2025
Submit here 👉 docs.google.com/forms/d/e/1F...
Workshop Socio-Economic Inequalities in Mortality Over Time
🗓 27 Feb 2026 | Akoesticum, Ede
📝Keynote: Prof. Sean Clouston
⏳Deadline for abstracts (≤500 words): 1 Oct 2025
Submit here 👉 docs.google.com/forms/d/e/1F...
Workshop Application: Socio-economic inequities in health over time
Application deadline: 1 October 2025
Application decision: 15 October 2025
Workshop date: 27 February 2026
Workshop location: Akoesticum, Ede, the Netherlands (in-person only)
docs.google.com
August 23, 2025 at 12:59 PM
📢 Call for Papers!
Workshop Socio-Economic Inequalities in Mortality Over Time
🗓 27 Feb 2026 | Akoesticum, Ede
📝Keynote: Prof. Sean Clouston
⏳Deadline for abstracts (≤500 words): 1 Oct 2025
Submit here 👉 docs.google.com/forms/d/e/1F...
Workshop Socio-Economic Inequalities in Mortality Over Time
🗓 27 Feb 2026 | Akoesticum, Ede
📝Keynote: Prof. Sean Clouston
⏳Deadline for abstracts (≤500 words): 1 Oct 2025
Submit here 👉 docs.google.com/forms/d/e/1F...
Reposted by Tim Riswick
📢 Interested in excess mortality methods, and want a challenge? I'm organising the "One Epidemic, Many Estimates" (1EME) project! Register *now* as a many analyst team (submissions due 15 March 2026), and then join us at LSE for a workshop on 21-22 May 2026! (1/n)
www.lse.ac.uk/Economic-His...
www.lse.ac.uk/Economic-His...
One Epidemic, Many Estimates (1EME)
One Epidemic, Many Estimates (1EME)
www.lse.ac.uk
August 27, 2025 at 8:54 AM
📢 Interested in excess mortality methods, and want a challenge? I'm organising the "One Epidemic, Many Estimates" (1EME) project! Register *now* as a many analyst team (submissions due 15 March 2026), and then join us at LSE for a workshop on 21-22 May 2026! (1/n)
www.lse.ac.uk/Economic-His...
www.lse.ac.uk/Economic-His...
Reposted by Tim Riswick
📢 Call for Papers!
Workshop Accuracy of Cause-of-Death Registration: Everyday Conditions, Crises & Epidemics
🗓 18–19 Mar 2026 | Barcelona 🇪🇸
Submit 200–300 word abstracts by 10 Dec 2025 👉 docs.google.com/forms/d/e/1F...
Workshop Accuracy of Cause-of-Death Registration: Everyday Conditions, Crises & Epidemics
🗓 18–19 Mar 2026 | Barcelona 🇪🇸
Submit 200–300 word abstracts by 10 Dec 2025 👉 docs.google.com/forms/d/e/1F...
Workshop ‘Accuracy of Cause-of-Death Registration: Everyday Conditions, Crises, and Epidemics
Please submit your abstract (200-300 words) before 10 December here. We expect to be able to communicate everyone before Christmas about acceptance to the workshop. We anticipate that COST-Action GREA...
docs.google.com
August 29, 2025 at 6:49 AM
📢 Call for Papers!
Workshop Accuracy of Cause-of-Death Registration: Everyday Conditions, Crises & Epidemics
🗓 18–19 Mar 2026 | Barcelona 🇪🇸
Submit 200–300 word abstracts by 10 Dec 2025 👉 docs.google.com/forms/d/e/1F...
Workshop Accuracy of Cause-of-Death Registration: Everyday Conditions, Crises & Epidemics
🗓 18–19 Mar 2026 | Barcelona 🇪🇸
Submit 200–300 word abstracts by 10 Dec 2025 👉 docs.google.com/forms/d/e/1F...
Reposted by Tim Riswick
In Zurich for the @thegreatleap22116.bsky.social workshop 'Analysing Historical Mortality and Cause of Death Data' – a very fruitful two days with researchers from diverse backgrounds and excellent ideas for future work.
June 20, 2025 at 1:48 PM
In Zurich for the @thegreatleap22116.bsky.social workshop 'Analysing Historical Mortality and Cause of Death Data' – a very fruitful two days with researchers from diverse backgrounds and excellent ideas for future work.
Reposted by Tim Riswick
🚨 Call for Applications! 🚨
📅 22–23 July 2025
📍 Monash University, Melbourne 🇦🇺
💀 Historical mortality meets digital innovation!
🔹 ICD10h Training Course (22 Jul)
🔹 Digital History Symposium (23 Jul)
Apply by **11 June** ➡️ (docs.google.com/forms/d/e/1F...)
📅 22–23 July 2025
📍 Monash University, Melbourne 🇦🇺
💀 Historical mortality meets digital innovation!
🔹 ICD10h Training Course (22 Jul)
🔹 Digital History Symposium (23 Jul)
Apply by **11 June** ➡️ (docs.google.com/forms/d/e/1F...)
May 26, 2025 at 2:43 PM
🚨 Call for Applications! 🚨
📅 22–23 July 2025
📍 Monash University, Melbourne 🇦🇺
💀 Historical mortality meets digital innovation!
🔹 ICD10h Training Course (22 Jul)
🔹 Digital History Symposium (23 Jul)
Apply by **11 June** ➡️ (docs.google.com/forms/d/e/1F...)
📅 22–23 July 2025
📍 Monash University, Melbourne 🇦🇺
💀 Historical mortality meets digital innovation!
🔹 ICD10h Training Course (22 Jul)
🔹 Digital History Symposium (23 Jul)
Apply by **11 June** ➡️ (docs.google.com/forms/d/e/1F...)
Reposted by Tim Riswick
📝 WORKSHOP: Writing Individual Grants on Inequalities in Health
📅 June 25 | ⏰ 14:00 – 15:30 CET | 💻 Online
Planning to apply for an individual research grant? Join our interactive workshop focused on crafting strong proposals in the field of health inequalities. 🧵⬇️
📅 June 25 | ⏰ 14:00 – 15:30 CET | 💻 Online
Planning to apply for an individual research grant? Join our interactive workshop focused on crafting strong proposals in the field of health inequalities. 🧵⬇️
May 12, 2025 at 1:50 PM
📝 WORKSHOP: Writing Individual Grants on Inequalities in Health
📅 June 25 | ⏰ 14:00 – 15:30 CET | 💻 Online
Planning to apply for an individual research grant? Join our interactive workshop focused on crafting strong proposals in the field of health inequalities. 🧵⬇️
📅 June 25 | ⏰ 14:00 – 15:30 CET | 💻 Online
Planning to apply for an individual research grant? Join our interactive workshop focused on crafting strong proposals in the field of health inequalities. 🧵⬇️
Reposted by Tim Riswick
Picketlines, minicolleges, een podiumprogramma en een optocht naar de stad. Dat zijn de onderdelen van de Nijmeegse stakingsdag op 13 maart. ‘Hopelijk wil het college van bestuur alle gebouwen op de campus sluiten’, zegt FNV-vakbondsbestuurder Gijs Kooistra.
Vakbondsbestuurder over stakingsdag op 13 maart: 'Als we ons opnieuw laten horen, kunnen we echt iets bereiken' - Vox magazine
Picketlines, minicolleges, een podiumprogramma en een optocht naar de stad. Dat zijn de onderdelen van de Nijmeegse stakingsdag op 13 maart. ‘Hopelijk wil het college van bestuur alle gebouwen op de c...
www.voxweb.nl
February 27, 2025 at 8:36 AM
Picketlines, minicolleges, een podiumprogramma en een optocht naar de stad. Dat zijn de onderdelen van de Nijmeegse stakingsdag op 13 maart. ‘Hopelijk wil het college van bestuur alle gebouwen op de campus sluiten’, zegt FNV-vakbondsbestuurder Gijs Kooistra.
Reposted by Tim Riswick
Fantastische lezing over doodsoorzaken in Amsterdam door dr. @timriswick.bsky.social
February 13, 2025 at 7:44 PM
Fantastische lezing over doodsoorzaken in Amsterdam door dr. @timriswick.bsky.social
Great to see this special issue finished!
Nearly three years ago, Alice Whitehead and I hosted a conference on the history of parents. As baby PhD students at the time, we were honoured to be asked by @timriswick.bsky.social to edit a special issue of The History of the Family on the conference theme. The finished product is available now:
Introduction to the special issue mothers and fathers in medieval and early modern Europe
This special issue explores lives and experiences of mothers and fathers from across medieval and early modern Europe, c.1000 to 1800. It investigates mothers and fathers from a parent-focused pers...
www.tandfonline.com
January 29, 2025 at 4:06 PM
Great to see this special issue finished!
Reposted by Tim Riswick
There's still time to submit to the ESHD Conference in September!
Reminder: the AYHD is organising a Flash Session! Here you can present early-stage work or research already presented in other sessions.
To submit, mention "Flash session (AYHD)" in the Session proposal field.
eshd2025.eshd.eu
Reminder: the AYHD is organising a Flash Session! Here you can present early-stage work or research already presented in other sessions.
To submit, mention "Flash session (AYHD)" in the Session proposal field.
eshd2025.eshd.eu
Home - ESHD2025 Conference
Call for Papers 6th Conference of the European Society of Historical Demography The European Society of Historical Demography is pleased to invite submissions for its 6th Conference, to be held in Bol...
eshd2025.eshd.eu
January 22, 2025 at 3:07 PM
There's still time to submit to the ESHD Conference in September!
Reminder: the AYHD is organising a Flash Session! Here you can present early-stage work or research already presented in other sessions.
To submit, mention "Flash session (AYHD)" in the Session proposal field.
eshd2025.eshd.eu
Reminder: the AYHD is organising a Flash Session! Here you can present early-stage work or research already presented in other sessions.
To submit, mention "Flash session (AYHD)" in the Session proposal field.
eshd2025.eshd.eu
Reposted by Tim Riswick
𝐓𝐫𝐚𝐢𝐧𝐢𝐧𝐠 𝐂𝐨𝐮𝐫𝐬𝐞 𝐨𝐧 𝐂𝐨𝐝𝐢𝐧𝐠 𝐇𝐢𝐬𝐭𝐨𝐫𝐢𝐜𝐚𝐥 𝐂𝐚𝐮𝐬𝐞𝐬 𝐨𝐟 𝐃𝐞𝐚𝐭𝐡
👉 About the Training Course:
This two-day hands-on course will guide participants through the entire process of coding historical causes of death, including:
👉 About the Training Course:
This two-day hands-on course will guide participants through the entire process of coding historical causes of death, including:
January 17, 2025 at 4:07 PM
𝐓𝐫𝐚𝐢𝐧𝐢𝐧𝐠 𝐂𝐨𝐮𝐫𝐬𝐞 𝐨𝐧 𝐂𝐨𝐝𝐢𝐧𝐠 𝐇𝐢𝐬𝐭𝐨𝐫𝐢𝐜𝐚𝐥 𝐂𝐚𝐮𝐬𝐞𝐬 𝐨𝐟 𝐃𝐞𝐚𝐭𝐡
👉 About the Training Course:
This two-day hands-on course will guide participants through the entire process of coding historical causes of death, including:
👉 About the Training Course:
This two-day hands-on course will guide participants through the entire process of coding historical causes of death, including:
Reposted by Tim Riswick
Ok, let's see how this works 🧐
The 16th Conference of #YoungDemographers is just around the corner! Programme is packed as always, incl. ⭐ Marc Luy and Rolf Granholm ⭐, and you can still join us as passive participants.
Find out more ➡ youngdemographers.github.io/conference
#demography
The 16th Conference of #YoungDemographers is just around the corner! Programme is packed as always, incl. ⭐ Marc Luy and Rolf Granholm ⭐, and you can still join us as passive participants.
Find out more ➡ youngdemographers.github.io/conference
#demography
Conference
youngdemographers.github.io
January 15, 2025 at 3:51 PM
Ok, let's see how this works 🧐
The 16th Conference of #YoungDemographers is just around the corner! Programme is packed as always, incl. ⭐ Marc Luy and Rolf Granholm ⭐, and you can still join us as passive participants.
Find out more ➡ youngdemographers.github.io/conference
#demography
The 16th Conference of #YoungDemographers is just around the corner! Programme is packed as always, incl. ⭐ Marc Luy and Rolf Granholm ⭐, and you can still join us as passive participants.
Find out more ➡ youngdemographers.github.io/conference
#demography
Reposted by Tim Riswick
WE KNOW...YOU ARE THINKING!!
📢Call for Papers 6th Conference of the ESHD #Demography Last Days!
The European Society of Historical Demography is pleased to invite submissions for its 6th Conference, to be held in #Bologna #Italy
10-13 September 2025
👉 eshd2025.eshd.eu
📢Call for Papers 6th Conference of the ESHD #Demography Last Days!
The European Society of Historical Demography is pleased to invite submissions for its 6th Conference, to be held in #Bologna #Italy
10-13 September 2025
👉 eshd2025.eshd.eu
January 11, 2025 at 6:27 PM
WE KNOW...YOU ARE THINKING!!
📢Call for Papers 6th Conference of the ESHD #Demography Last Days!
The European Society of Historical Demography is pleased to invite submissions for its 6th Conference, to be held in #Bologna #Italy
10-13 September 2025
👉 eshd2025.eshd.eu
📢Call for Papers 6th Conference of the ESHD #Demography Last Days!
The European Society of Historical Demography is pleased to invite submissions for its 6th Conference, to be held in #Bologna #Italy
10-13 September 2025
👉 eshd2025.eshd.eu
Reposted by Tim Riswick
Komt allen naar de lezing van dr. @timriswick.bsky.social !!!
Lezing: Van epidemieën tot gezondheidsongelijkheid: lessen uit Amsterdam (1850-1950) - Huis van de Nijmeegse Geschiedenis
Ziektes zoals tuberculose, cholera en pokken teisterden niet alleen onze voorouders, maar onthullen ook verrassend veel over sociale ongelijkheden die tot op de dag van vandaag relevant zijn. Tijdens ...
www.huisvandenijmeegsegeschiedenis.nl
January 7, 2025 at 8:31 PM
Komt allen naar de lezing van dr. @timriswick.bsky.social !!!
Reposted by Tim Riswick
Geachte heer/mevrouw,
Wij herinneren u graag aan de komende lezing van dr. @timriswick.bsky.social op 13 februari aanstaande over doodsoorzaken in Amsterdam! Meldt u nu aan via kleiohistoria@markbeumer.eu
Wij herinneren u graag aan de komende lezing van dr. @timriswick.bsky.social op 13 februari aanstaande over doodsoorzaken in Amsterdam! Meldt u nu aan via kleiohistoria@markbeumer.eu
January 4, 2025 at 6:15 PM
Geachte heer/mevrouw,
Wij herinneren u graag aan de komende lezing van dr. @timriswick.bsky.social op 13 februari aanstaande over doodsoorzaken in Amsterdam! Meldt u nu aan via kleiohistoria@markbeumer.eu
Wij herinneren u graag aan de komende lezing van dr. @timriswick.bsky.social op 13 februari aanstaande over doodsoorzaken in Amsterdam! Meldt u nu aan via kleiohistoria@markbeumer.eu
Reposted by Tim Riswick
🎆 Close 2024 with an insightful read! 📖
Our last post of the year highlights David S. Reher's new paper: 'Family history at the crossroads: reflections on past, present, and future challenges.'
Link to the #openaccess paper: 👇
genus.springeropen.com/articles/10....
Our last post of the year highlights David S. Reher's new paper: 'Family history at the crossroads: reflections on past, present, and future challenges.'
Link to the #openaccess paper: 👇
genus.springeropen.com/articles/10....
Family history at the crossroads: reflections on past, present, and future challenges - Genus
This paper contains the reflections of the author on the state of family history within the constellation of History and the Social Sciences. The first part of the paper presents a brief outline of ho...
genus.springeropen.com
December 31, 2024 at 10:29 AM
🎆 Close 2024 with an insightful read! 📖
Our last post of the year highlights David S. Reher's new paper: 'Family history at the crossroads: reflections on past, present, and future challenges.'
Link to the #openaccess paper: 👇
genus.springeropen.com/articles/10....
Our last post of the year highlights David S. Reher's new paper: 'Family history at the crossroads: reflections on past, present, and future challenges.'
Link to the #openaccess paper: 👇
genus.springeropen.com/articles/10....
Reposted by Tim Riswick
📢 We have our Plenary speakers for our #ESHD2025 Conference. On September 10th, Opening Conference:
Guido Barbujani (Ferrara University)
"The famous human races"
6th Conference of the European Society of Historical #Demography #Bologna 10-13/9/2025
👉 eshd2025.eshd.eu
Guido Barbujani (Ferrara University)
"The famous human races"
6th Conference of the European Society of Historical #Demography #Bologna 10-13/9/2025
👉 eshd2025.eshd.eu
December 17, 2024 at 12:07 PM
📢 We have our Plenary speakers for our #ESHD2025 Conference. On September 10th, Opening Conference:
Guido Barbujani (Ferrara University)
"The famous human races"
6th Conference of the European Society of Historical #Demography #Bologna 10-13/9/2025
👉 eshd2025.eshd.eu
Guido Barbujani (Ferrara University)
"The famous human races"
6th Conference of the European Society of Historical #Demography #Bologna 10-13/9/2025
👉 eshd2025.eshd.eu
Reposted by Tim Riswick
CFP: Workshop on Health Transitions in the Global South
CFP Deadline 3 February 2025
Workshop 9-10 June 2025 at LSE
Organised by myself and Neil Cummins
Sponsored by the LSE Historical Economic Demography Group
CFP Deadline 3 February 2025
Workshop 9-10 June 2025 at LSE
Organised by myself and Neil Cummins
Sponsored by the LSE Historical Economic Demography Group
December 12, 2024 at 12:25 AM
CFP: Workshop on Health Transitions in the Global South
CFP Deadline 3 February 2025
Workshop 9-10 June 2025 at LSE
Organised by myself and Neil Cummins
Sponsored by the LSE Historical Economic Demography Group
CFP Deadline 3 February 2025
Workshop 9-10 June 2025 at LSE
Organised by myself and Neil Cummins
Sponsored by the LSE Historical Economic Demography Group
Very happy to see so many familiar faces from Twitter on Bluesky!
December 13, 2024 at 3:44 PM
Very happy to see so many familiar faces from Twitter on Bluesky!
Reposted by Tim Riswick
📢 𝐂𝐚𝐥𝐥 𝐟𝐨𝐫 𝐏𝐚𝐩𝐞𝐫𝐬: 𝐆𝐑𝐄𝐀𝐓𝐋𝐄𝐀𝐏 𝐒𝐞𝐬𝐬𝐢𝐨𝐧𝐬 𝐚𝐭 𝐭𝐡𝐞 𝐄𝐮𝐫𝐨𝐩𝐞𝐚𝐧 𝐒𝐨𝐜𝐢𝐞𝐭𝐲 𝐟𝐨𝐫 𝐇𝐢𝐬𝐭𝐨𝐫𝐢𝐜𝐚𝐥 𝐃𝐞𝐦𝐨𝐠𝐫𝐚𝐩𝐡𝐲 𝐂𝐨𝐧𝐟𝐞𝐫𝐞𝐧𝐜𝐞. We are inviting submissions for two dynamic sessions at the upcoming European Society for Historical Demography Conference🧵⬇️
December 3, 2024 at 1:37 PM
📢 𝐂𝐚𝐥𝐥 𝐟𝐨𝐫 𝐏𝐚𝐩𝐞𝐫𝐬: 𝐆𝐑𝐄𝐀𝐓𝐋𝐄𝐀𝐏 𝐒𝐞𝐬𝐬𝐢𝐨𝐧𝐬 𝐚𝐭 𝐭𝐡𝐞 𝐄𝐮𝐫𝐨𝐩𝐞𝐚𝐧 𝐒𝐨𝐜𝐢𝐞𝐭𝐲 𝐟𝐨𝐫 𝐇𝐢𝐬𝐭𝐨𝐫𝐢𝐜𝐚𝐥 𝐃𝐞𝐦𝐨𝐠𝐫𝐚𝐩𝐡𝐲 𝐂𝐨𝐧𝐟𝐞𝐫𝐞𝐧𝐜𝐞. We are inviting submissions for two dynamic sessions at the upcoming European Society for Historical Demography Conference🧵⬇️
Reposted by Tim Riswick
Dr. @timriswick.bsky.social, onze spreker voor 13 februari 2025.
dr. T.G.M.W. Riswick (Tim) | Radboud Universiteit
www.ru.nl
December 9, 2024 at 12:22 AM
Dr. @timriswick.bsky.social, onze spreker voor 13 februari 2025.