File:Keiichi Aichi.jpgthe following images: File:Kotaro_Honda_,Albert_Einstein,Keiichi_Aichi,Sirouta_Kusukabe.jpg licensed with PD-Japan-oldphoto 2011-06-24T11:11:20Z Materialscientist
File:伊藤ウバ車店 (27435672246).jpgEnglish URL: https://www.flickr.com/people/37028361@N03 author name string: Keiichi Yasu Flickr user ID: 37028361@N03 publication date: 5 June 2016 described
File:Suzuki Keiichi.jpgDescriptionSuzuki Keiichi.jpg 日本語:鈴木敬一(1889-1973) Date before 1936 date QS:P,+1936-00-00T00:00:00Z/7,P1326,+1936-00-00T00:00:00Z/9 Source 呉市役所『呉市主催国防と産業大博覧会誌』、1936年