Scytale: A Historical Analysis of Cryptography, Military Intelligence, and Military Science: Ancient Secrets, Messages, and Sensitivity
![Ch'ŏnhado. [Korea]: [publisher not identified], 1630. (World map, Harvard Libraries)](/sites/g/files/omnuum11031/files/styles/hwp_5_4__1540x1240/public/2026-01/Screenshot%202026-01-31%20at%204.11.39%E2%80%AFPM.png?itok=RXjhT3up)
Date and Time
October 22, 2026
12:00PM - 01:15PM EDT
Location
Science Center 252, Harvard University, 1 Oxford St, Cambridge MA
Sponsor: Harvard Early Sciences Working Group
Speaker: Xiao Di "Janice" Tong (H-Net Reviews Editor)