■Preface
The Launch of Japan Physics Heritage and the Future of Historical Materials of Physics
Nobumichi Ariga......155

■Overview Articles
Dramatic Progress of Spin and Angle Resolved Photoelectron Momentum Microscopy of Solids
Shigemasa Suga and Fumihiko Matsui......158

Structure of Vacuum Probed by Pion
Kenta Itahashi and Satoru Hirenzaki......168

■Researches
Novel Superconductivity in the Ferroquadrupolar Phase of the Quadrupolar Kondo Lattice PrTi2Al20
Akito Sakai and Satoru Nakatsuji......177

Gyroidal Metal-Organic Frameworks as Functional Quantum Materials
Shunsuke Kitou and Hajime Ishikawa......181

■One Hundred and Fifty Years of the Physical Society of Japan......186

■La Toccata......187

■JPSJ Selected Papers in the Latest Issue......191

■Physics Community News......194

■Obituary......197

■Book Reviews......198