Lewis E. (Lewis Edwin) Theiss

Lewis Edwin Theiss was an American author born in 1878 and died in 1963. He is remembered mainly for boys' adventure fiction, especially stories about young wireless operators and wartime or scouting-style exploits.

Several of his books survive in library and Wikimedia records, including In Camp at Fort Brady, The Hidden Aerial, The Wireless Operator with the U.S. Coast Guard, and The Young Wireless Operator titles. Those works suggest the kind of fiction he was drawn to: practical know-how, teamwork, and energetic adventures shaped by the new communication technology of his era.

Today, Theiss is mostly encountered through reprints, scans, and historical book catalogs rather than broad modern fame. For listeners who enjoy vintage juvenile fiction, his work offers a window into the excitement that radio, service, and outdoor adventure held for readers in the early 1900s.