News Physics Filipino math teacher Emma Rotor helped develop crucial WWII weapons tech Devoted wife of a famed Filipino writer, she worked on the proximity fuze There were rumors that Emma Rotor was involved in the Manhattan Project. But historical records suggest she instead worked on the proximity fuze, the mechanism that makes a bomb or shell detonate when it gets close to its target. The Unson Family Share this:EmailFacebookTwitterPinterestPocketRedditPrint By Erwin R. Tiongson September 12, 2023 at 8:00 am As an amateur historian studying Philippine-American history in Washington, D.C.,