1. Ibn Mu^cādh's treatise on twilight and the height of the atmosphere

   • Bernard R. Goldstein

   OriginalPaper Pages: 97 - 118

2. Weierstrass and the theory of matrices

   • Thomas Hawkins

   OriginalPaper Pages: 119 - 163

3. The coming of age of Erwin Schrödinger: His quantum statistics of ideal gases

   • Paul A. Hanle

   OriginalPaper Pages: 165 - 192

4. The Jordan curve theorem and an unpublished manuscript by max dehn

   • H. Guggenheimer

   OriginalPaper Pages: 193 - 200