 Complete the following phrase:  Kazimierz Sakowicz 1899-1944 was a Polish journalist. A witness to the prolonged Ponary massacre, he chronicled much of it in his diary, published in English as Ponary Diary, which became one of the best known testaments to that atrocity of the Second World War, in which about 100 000 Jews, Poles and Russians were murdered by Germans and Lithuanian collaborators. An editor of Przegląd Gospodarczy Economic Review journal in Wilno, Sakowicz moved to the Ponary district during the German occupation and chronicled events from July 11, 1941, to October 25, 1943. He was an officer of the pre-war Polish army, and a member of the Polish resistance. On 5 July 1944, while cycling to Wilno, 