பயன்தூக்கார் செய்த உதவி நயன்தூக்கின் 
நன்மை கடலின் பெரிது. (௱௩ - 103) 
திருவள்ளுவர் 

(Payandhookkaar Seydha Udhavi Nayandhookkin 
Nanmai Katalin Peridhu (Transliteration)) 

The contribution made without weighing the return, When weighed, outweighs the 
sea. 
- Thiruvalluvar 

Dear Wikimedians, 

With deep sorrow, we announce the passing of Ulo Senthamizh Kodai (December 22, 
1945 – February 1, 2024), a distinguished technologist, author, academician, 
and prolific contributor to the Tamil Wikipedia community.[1] Born on December 
22, 1945, in the village of [ https://en.wikipedia.org/wiki/Tiruvallur_district 
| Puducherrypalli ] in Thiruvallur district, Tamil Nadu, India, He devoted his 
life to engineering, science, and promoting scientific knowledge in Tamil. 

Ulo Senthamizh Kodai earned his Bachelor's degree in Electrical Engineering 
from [ https://en.wikipedia.org/wiki/College_of_Engineering,_Guindy | Guindy 
Engineering College ] and a Master's degree from [ 
https://en.wikipedia.org/wiki/PSG_College_of_Technology | PSG College of 
Technology ] in Coimbatore. His illustrious 33-year career at the [ 
https://en.wikipedia.org/wiki/TNEB | Tamil Nadu Electricity Board ] included 
earning a Ph.D. He authored the acclaimed book " [ 
https://www.noolulagam.com/tamil-book/1188/makkal-ariviyal-ilakiyam-nokkum-pokkum-book-type-ilakiyam/
 | Makkal Ariviyal Ilakkiyam: Nokkum Pokkum ] " and received the Tamil Nadu 
Government's award for best book in engineering and technology in 2007. 

Passionate about Tamil Nadu's science and technology history, Ulo Senthamizh 
Kodai contributed extensively to scientific vocabulary in Tamil. He served on 
the editorial board of the [ 
http://www.aubit.edu.in/library/Journals_magazines.html | Bharathidasan 
University Journal of Science and Technology ] and significantly contributed to 
the [ https://en.wikipedia.org/wiki/Tamil_Virtual_Academy | Tamil Virtual 
Academy ] 's glossary of technical terms. 

In addition to academia, He was a luminary in the Tamil Wikipedia community, 
starting his contributions in 2014. He created over 2000 articles and had an 
edit count of 28513 in [ 
https://ta.wikipedia.org/wiki/%E0%AE%AE%E0%AF%81%E0%AE%A4%E0%AE%B1%E0%AF%8D_%E0%AE%AA%E0%AE%95%E0%AF%8D%E0%AE%95%E0%AE%AE%E0%AF%8D
 | Tamil Wikipedia ] , focusing mainly on scientific articles. He was actively 
involved until his final days, participating in discussions and editing 
articles until January 29, 2024. 

Ulo Senthamizh Kodai leaves behind a legacy continued by his son Vanchi. His 
impact on Tamil science and the Wikipedia community is immeasurable, with 
notable contributions to projects like the [ 
https://meta.wikimedia.org/wiki/100wikidays | 100 WikiDays ] and the Tamil 
Teachers' Articles Cleanup Drive. 

Members of the Tamil Wikipedia community mourn his passing. Fellow Wikipedian 
Mahalingam noted, "The passing of Ulo Senthamizh Kodai is a great loss to us 
all." Former colleague Jambulingam remembered his dedication and encouragement, 
while longtime contributor K. Murthy recalled Ulo Senthamizh Kodai's resilience 
despite physical challenges. 

Ulo Senthamizh Kodai's contributions were recognized with accolades, including 
featuring on the main page of Tamil Wikipedia in 2016 and various barnstars and 
medals from fellow Wikipedians. 

As we bid farewell to Ulo Senthamizh Kodai, we remember him not only for his 
significant contributions to Tamil science and Wikipedia but also for his 
unwavering dedication to knowledge, education, and the Tamil language. His 
passing leaves a void in the community, and he will be dearly missed. 

We are planning to host a condolence meeting online and we will soon provide 
information about that. We encourage people to share their memories/experiences 
of their association with Ulo Senthamizh Kodai on this thread. 

Tamil Wikimedians & CIS-A2K. 



[1] [ 
https://ta.wikipedia.org/wiki/%E0%AE%89%E0%AE%B2%E0%AF%8B._%E0%AE%9A%E0%AF%86%E0%AE%A8%E0%AF%8D%E0%AE%A4%E0%AE%AE%E0%AE%BF%E0%AE%B4%E0%AF%8D%E0%AE%95%E0%AF%8D%E0%AE%95%E0%AF%8B%E0%AE%A4%E0%AF%88
 | Biographical Article about Ulo Senthamizh Kodai ] in Tamil Wikipedia 

[2] [ 
https://ta.wikipedia.org/wiki/%E0%AE%AA%E0%AE%AF%E0%AE%A9%E0%AE%B0%E0%AF%8D:%E0%AE%89%E0%AE%B2%E0%AF%8B.%E0%AE%9A%E0%AF%86%E0%AE%A8%E0%AF%8D%E0%AE%A4%E0%AE%AE%E0%AE%BF%E0%AE%B4%E0%AF%8D%E0%AE%95%E0%AF%8D%E0%AE%95%E0%AF%8B%E0%AE%A4%E0%AF%88
 | Userpage of Ulo Senthamizh Kodai ] in Tamil Wikipedia 



Ulo Senthamizh Kodai During Wiki Advanced Training 2018 at Ranchi; 
Photo Credits: [ https://commons.wikimedia.org/wiki/User:Saileshpat | Sailesh 
Patnaik,  ] Via Wikimedia Commons, CC-BY-SA 4.0 
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