Harrison Brown
... that Harrison Brown led the Manhattan Project team that first successfully isolated gram quantities of plutonium?
... that <b id="mwErA"><a href="./Harrison_Brown" id="mwErE" rel="mw:WikiLink" title="Harrison Brown">Harrison Brown</a></b> led the <a href="./Manhattan_Project" id="mwErI" rel="mw:WikiLink" title="Manhattan Project">Manhattan Project</a> team that first successfully isolated gram quantities of plutonium?