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/omnuum9471/files/styles/hwp_5_4__1540x1240/public/2025-09/Screenshot%202025-09-04%20at%206.35.58%E2%80%AFAM.png?itok=xMmfFxc1)
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)