Florence Violet McKenzie
... that Florence Violet McKenzie, Australia's first female electrical engineer, taught Morse code to thousands of sailors free of charge?
... that <b id="mwDI8"><a href="./Florence_Violet_McKenzie" id="mwDJA" rel="mw:WikiLink" title="Florence Violet McKenzie">Florence Violet McKenzie</a></b>, Australia's first female <a class="mw-redirect" href="./Electrical_engineer" id="mwDJE" rel="mw:WikiLink" title="Electrical engineer">electrical engineer</a>, taught <a href="./Morse_code" id="mwDJI" rel="mw:WikiLink" title="Morse code">Morse code</a> to thousands of sailors free of charge?