author
John (John Harmon) Mason
1867–1968
An Oklahoma teacher and newspaper columnist, he wrote with a local eye and a clear, practical style. His work ranges from community-focused pieces to plainspoken discussions of big ideas, reflecting a long life that stretched across a full century of change.
1 Audiobook
Evolution made plain
by John (John Harmon) Mason
About the author
Born in Tennessee in 1867, he later became known in Oklahoma as an educator and columnist. Sources available here identify him as John Harmon Mason and note that he lived from 1867 to 1968.
His surviving public-domain record is modest, but it points to a writer rooted in everyday life rather than literary celebrity. Listings on Wikisource and Project Gutenberg connect his name with published works and preserve part of his legacy for modern readers.
Because reliable biographical detail is limited in the sources I could confirm, it is safest to remember him as a long-lived American teacher and columnist whose writing remained accessible enough to be preserved and read well beyond his own time.