After surviving the Holocaust, Krakowski worked for the intelligence and security services of the People's Republic of Poland.
[3] Krakowski was born in Warsaw in a Polish-Jewish family to father Baruch and mother Miriam, but grew up in Łódź.
[3] During World War II, he was imprisoned with other local Jews in the Łódź Ghetto, where he was involved with underground resistance.
[3] During Krakowski's tenure as the director of the Yad Vashem archives, the volume of them tripled and the relations with the office of investigations of Nazi crimes at Ludwigsburg, Germany, were strengthened.
He was involved in improving the contents related to reports of Nazi war criminals, including the files of the Soviet commission of investigation of Nazi crimes and the archives of the Jewish Anti-Fascist Committee that operated during the war in the Soviet Union.