Leopold Socha, a resident of Lwow, knew the sewer system of the city well because he had made use of it to evade the authorities. After the Soviet occupation of the city he worked for the Sanitation Department, and his familiarity with the sewage system and his position facilitated the saving of 10 Jews.
Sunday to Thursday: 09:00-17:00
Fridays and Holiday eves: 09:00-14:00
Yad Vashem is closed on Saturdays and all Jewish Holidays.
Entrance to the Holocaust History Museum is not permitted for children under the age of 10. Babies in strollers or carriers will not be permitted to enter.