I’m doing a course on Alexander the Great at the moment and for a couple of seconds I thought we’d uncovered surviving versions of Ptolemy I Soter’s account (wh

I’m doing a course on Alexander the Great at the moment and for a couple of seconds I thought we’d uncovered surviving versions of Ptolemy I Soter’s account (which Arrian used as a primary source). Nevertheless, that Ptolemy was a patron of Euclid, whose work on optics the later Ptolemy built upon. Small world, but with so many things lost to time.