Invited-professor stays at Osaka University
· Osaka University, Toyonaka Campus, Toyonaka, Osaka Prefecture, Japan

Wikimedia Commons · 使用の際は、「写真提供:大阪大学南部陽一郎記念室」と明記してください。 From 1990, Nambu repeatedly stayed at Osaka University as an invited professor, re-establishing a sustained research presence in Osaka alongside his Chicago career. The source establishes recurrent stays from 1990 but does not give dates for individual visits.