In early 1909, in what may have been the First public speech by radio, de Forest's mother-in-law, Harriot Eaton Stanton Blatch, made a broadcast supporting women's suffrage.
In early 1909, in what may have been the First public speech by radio, de Forest's mother-in-law, Harriot Eaton Stanton Blatch, made a broadcast supporting women's suffrage.