Josef Hackenberg with daughter Jitka on the Bělidlo hill in Vrbno pod Pradědem, 1960s

Josef Hackenberg on a trip to Krkonoše, 1950s

Josef Hackenbegr (right) with friend Hugo on a trip to Krkonoše, 1950s

Josef Hackenberg (right) during his service with the auxiliary technical battalions, 1952

Josef Hackenberg (left) during his service with the auxiliary technical battalions, 1952

Josef Hackenberg in Vrbno pod Pradědem, 1960s

Josef Hackenberg (left) at a workplace party in the glassworks, 1970s

Josef Hackenberg (right) during his service with the auxiliary technical battalions, 1952

Josef Hackenberg in Vrbno pod Pradědem, 1960s

Josef Hackenberg on his 60th wedding anniversary with wife Vlasta, 2015

Josef Hackenberg with wife Vlasta during his 90th birthday party, 2023

Josef Hackenberg with family celebrating his 90th birthday in front of a café in Vrbno pod Pradědem, 2023

Josef Hackenberg on his 60th wedding anniversary with wife Vlasta, 2015

Portrait of a Bavarian, a painting by Josef Hackenberg's father; in remembrance of the father, a master glassmaker and self-taught painter

Portrait of a herbalist, a painting by Josef Hackenberg's father; in remembrance of the father, a master glassmaker and self-taught painter

Portrait of a Fairy Teller, a painting by Josef Hackenberg's father; in remembrance of the father, a master glassmaker and self-taught painter

Prague, a painting by Josef Hackenberg's father; in remembrance of the father, a master glassmaker and self-taught painter

Landscape in Austria, a painting by Josef Hackenberg's father; in remembrance of the father, a master glassmaker and self-taught painter

Vrbno pod Pradědem in a period photo, first half of the 20th century

Vrbno pod Pradědem in a period photo, first half of the 20th century

Vrbno pod Pradědem in a period photo, first half of the 20th century

Vrbno pod Pradědem in a period photo, first half of the 20th century

Vrbno pod Pradědem in a period photo, first half of the 20th century

Vrbno pod Pradědem in a period photo, first half of the 20th century

Vrbno pod Pradědem in a period postcard, first half of the 20th century