Question: Were Philibert Jambe De Fer and Shigeru Iitaka of the same nationality?
Sentence (from "Shigeru Iitaka"): He received in 1970 his Ph.D. from the University of Tokyo under Kunihiko Kodaira with thesis「代数多様体 の D -次元について」(" On D-dimensions of algebraic varieties").
Relevant evidence: No