Kenneth St Joseph
... that Kenneth St Joseph, who pioneered the use of aerial photography for archaeology, persuaded the Royal Air Force to take photos for him without charging?
... that <b id="mwBAM"><a href="./Kenneth_St_Joseph" id="mwBAQ" rel="mw:WikiLink" title="Kenneth St Joseph">Kenneth St Joseph</a></b>, who pioneered the use of <a href="./Aerial_photography" id="mwBAU" rel="mw:WikiLink" title="Aerial photography">aerial photography</a> for archaeology, persuaded the <a href="./Royal_Air_Force" id="mwBAY" rel="mw:WikiLink" title="Royal Air Force">Royal Air Force</a> to take photos for him without charging?