David Sencer
... that David Sencer prepared instructions for the quarantine of US astronauts returning from the moon, which was suspected to harbor extraterrestrial pathogens?
... that <b id="mwC5M"><a href="./David_Sencer" id="mwC5Q" rel="mw:WikiLink" title="David Sencer">David Sencer</a></b> prepared instructions for the <a href="./Quarantine" id="mwC5U" rel="mw:WikiLink" title="Quarantine">quarantine</a> of US astronauts returning from the moon, which was suspected to harbor <a href="./Extraterrestrial_life" id="mwC5Y" rel="mw:WikiLink" title="Extraterrestrial life">extraterrestrial</a> <a href="./Bacteria#Pathogens" id="mwC5c" rel="mw:WikiLink" title="Bacteria">pathogens</a>?