ée ▁P ous sin ▁O e uv res ▁Scient if iques , ▁Volume ▁II , ▁Ac adémie ▁Roy ale ▁de ▁Belgique , ▁Cir colo ▁Mat emat ico ▁di ▁Pal ermo , ▁ 2 0 0 1 , ▁ 3 - 1 6 . ▁Part ition ing ▁infinite - dimensional ▁spaces ▁for ▁generalized ▁Riemann ▁integration , ▁( with ▁P . ▁M uld ow ney ▁and ▁V . A . ▁Sk v ort so v ) ▁Bul letin ▁of ▁the ▁London ▁Mathemat ical ▁Society , ▁ 3 8 ▁( 2 0 0 6 ) ▁ 7 9 5 - 8 0 3 . ▁ ▁Review ▁of ▁Hen stock ' s ▁work ▁▁ ▁The ▁journal ▁Scient iae ▁Mathemat ica e ▁Japon ica e ▁published ▁a ▁special ▁comm emor ative ▁issue ▁in ▁his ▁honor , ▁January ▁ 2 0 0 8 . ▁The ▁above ▁article ▁is ▁copied , ▁with ▁permission , ▁from ▁Real ▁Analysis ▁Exchange ▁and ▁from ▁Scient iae ▁Mathemat ica e ▁Japon ica e . ▁The ▁latter ▁contains ▁the ▁following ▁review ▁of ▁Hen stock ' s ▁work : ▁▁ 1 . ▁Ralph ▁Hen stock , ▁an ▁ob itu ary , ▁by ▁P . ▁Bull en . ▁▁ 2 . ▁Ralph ▁Hen stock : ▁research ▁summary , ▁by ▁E . ▁Tal v ila . ▁▁ 3 . ▁The ▁integral ▁à ▁la ▁Hen stock , ▁by ▁P eng ▁Y ee ▁Lee . ▁▁▁ 4 . ▁The ▁natural ▁integral ▁on ▁the ▁real ▁line , ▁by ▁B . ▁Thom son . ▁▁ 5 . ▁Ralph ▁Hen stock ' s ▁influence