CultureContemporaryJapanhigh confidence

『現代アート事典』 was compiled/edited by 美術手帖 (Bijutsu Techō), a Japanese art magazine.

Notes on verification

Confirmed by multiple independent bibliographic sources (NDL, CiNii, publisher's own page, hanmoto.com, honline.jp), all consistent in attributing editorship to Bijutsu Techō.

Sources