A reminder: I’m giving a free lecture tonight at 17h at the Wharton School in Philadelphia; I’m in town because I’m the guest of honor at PhilCon, the world’s oldest science fiction convention.
A reminder: I’m giving a free lecture tonight at 17h at the Wharton School in Philadelphia; I’m in town because I’m the guest of honor at PhilCon, the world’s oldest science fiction convention.