She worked as a senior assistant at the Department of Experimental Physics at Warsaw University and has written several papers in the field of optical tests.
At the time, they were unaware of Mieczysław Proner's death, who was omitted in the lists of the victims of Katyń massacre, disclosed by the Germans in 1943.
After the war, Pogonowska decided not to return to her scientific career, instead working for the House for Chronically Ill Children in Warsaw.
During retirement she remained active, taking care of her grandchildren and teaching classes at the Medical Academy of Warsaw.
She went through a formal explanation of the circumstances of her husband's death in 1990 and in 1994 participated in a ceremony that planted thousands of trees near Jerusalem to symbolize the Katyń Woods.
[citation needed] On her 110th birthday, Pogonowska received congratulations from the presidents of Poland and Israel and from Irena Sendler.