1. The fifth force: A personal history

   • Ephraim Fischbach

   Personal recollection 22 October 2015 Pages: 385 - 467

2. Paul Weiss and the genesis of canonical quantization

   • Dean Rickles
   • Alexander Blum

   OriginalPaper 06 October 2015 Pages: 469 - 487

3. The development of ensemble theory

   • Hajime Inaba

   OriginalPaper 11 November 2015 Pages: 489 - 526

4. Youth plus experience: the discovery of 51 Pegasi b

   • Davide Cenadelli
   • Andrea Bernagozzi

   OriginalPaper 10 December 2015 Pages: 527 - 552