1. History of accelerator neutrino beams

   • Ubaldo Dore
   • Pier Loverre
   • Lucio Ludovici

   OriginalPaper 02 October 2019 Pages: 271 - 305

2. LAA: a project using dedicated funding to develop technology for high-energy physics experiments

   • Thomas Taylor
   • Horst Wenninger
   • Antonino Zichichi

   OriginalPaper 09 April 2019 Pages: 307 - 319

3. A note on Lorentz transformations and simultaneity in classical physics and special relativity

   • Angelo Pagano
   • Emanuele V. Pagano

   OriginalPaper 25 September 2019 Pages: 321 - 330

4. Searching for a response: the intriguing mystery of Feynman’s theoretical reference amplifier

   • Vincenzo d’Alessandro
   • Santolo Daliento
   • Adele Naddeo

   OriginalPaper 06 August 2019 Pages: 331 - 347

5. The magic of Feynman’s QED: from field-less electrodynamics to the Feynman diagrams

   • Olivier Darrigol

   OriginalPaper 15 October 2019 Pages: 349 - 369

6. Einstein’s working sheets and his search for a unified field theory

   • Tilman Sauer

   OriginalPaper 02 August 2019 Pages: 371 - 379

7. Luis Santaló and classical field theory

   • Mariano Galvagno
   • Gaston Giribet

   OriginalPaper 25 October 2019 Pages: 381 - 389

8. Memories of my early career in relativity physics

   • Andrzej Trautman
   • Donald Salisbury

   Oral history interview Open access 15 November 2019 Pages: 391 - 413