Rubuta ci gaba ga wannan sakin layi - Davis ya yi aiki a matsayin babban jami'in jirgin ruwa a lokacin Ernest Shackleton na Antarctic expedition
a cikin 1908<unk>1909. Ya kasance kyaftin din kuma na biyu a cikin jagorancin Douglas Mawson's Australasian Antarctic expedition a 1911-1914.