John Hartnup Jr.
... that while inspecting anemometers on the rooftop of the Bidston Observatory, John Hartnup Jr. "was seized with a fit of giddiness" and fell to his death?
... that while inspecting <a class="mw-redirect" href="./Anemometers" id="mwBiQ" rel="mw:WikiLink" title="Anemometers">anemometers</a> on the rooftop of the Bidston Observatory, <b id="mwBiU"><a href="./John_Hartnup_Jr." id="mwBiY" rel="mw:WikiLink" title="John Hartnup Jr.">John Hartnup Jr.</a></b> "was seized with a fit of giddiness" and fell to his death?