George Squier

With the advent of wireless technology, the Signal Corps--like the world at large--was entering the Age of Radio. Also in the early years of the 20th century, people like George Squier, a Signal Corps officer, were working to develop "wired wireless" capabilities--that is, the transmission of radio signals via wire. That allowed for multiplexing: multiple messages traversing the same wire simultaneously, or radio, telephone, and telegraph signals sharing a wire but not interfering with each other.

Squier is see here later in his career (probably the 1920s), by now a colonel, contemplating radio equipment in the Signal Development Lab at Fort Monmouth, N.J. He was also instrumental in the development of the Signal Corps' aviation efforts.