Erwin R. Tiongson

Erwin R. Tiongson is a professor at Georgetown University and a community historian. He is the author of the book Philippine-American Heritage in Washington, D.C.

All Stories by Erwin R. Tiongson

  1. In a black and white photo, Emma Rotor is show from the shoulders up with a smirk expression.

    Filipino math teacher Emma Rotor helped develop crucial WWII weapons tech

    Devoted wife of a famed Filipino writer, Emma Unson Rotor worked on the proximity fuze at a U.S. agency in the 1940s.