User talk:2601:647:5B80:E9C0:4CB0:A988:FEB1:AC9E

Hello, I'm Materialscientist. I noticed that you added or changed content in an article, but you didn't provide a reliable source. It's been removed and archived in the page history for now, but if you'd like to include a citation and re-add it, please do so. You can have a look at referencing for beginners. If you think I made a mistake, you can leave me a message on my talk page. Thank you. Materialscientist (talk) 22:11, 25 December 2022 (UTC)


 * I am a close relative of the person for whom this page is authored. I have access to birth and death certificates as well as list of books and articles authored by him. References are listed in some places in the article but if you need further reference for the bio information, I will be able to provide them. 2601:647:5B80:E9C0:4CB0:A988:FEB1:AC9E (talk) 01:12, 26 December 2022 (UTC)