Florian Coulmas is Professor emeritus of Japanese Society and Sociolinguistics at the IN-EAST Institute of East Asian Studies at Duisburg-Essen University. He has published numerous books, including one about Hiroshima, where he once lived. In 2016, he was awarded the Meyer-Struckmann-Prize for Research in Arts and Social Sciences. More about him can be found here: https://www.degruyterbrill.com/document/doi/10.1515/soci-2025-0003/html?lang=de&srsltid=AfmBOorWLOi61PBlP66wAMDb4vtc7hgp_CsTwP6Zg...