Claus Philipp Maria Schenk Graf von Stauffenberg (15 November 1907 – 21 Julie 1944) wis a German airmy officer an member o the German nobility wha wis ane o the leadin members o the failed 20 Julie plot o 1944 tae assassinate Adolf Hitler an remuive the Nazi Pairty frae pouer. Alang wi Henning von Tresckow an Hans Oster, he wis ane o the central feegurs o the German Reseestance muivement within the Wehrmacht. For his involvement in the muivement, he wis executit bi firin squad shortly efter the failed attempt kent as Operation Valkyrie.